Autodesk Robot Structural Analysis Professional 2010 page: 3
THNG TIN TNG QUAN ..................................................................................................................................5
CI T V THIT LP .................................................................................................................................5 LA CHN LAYOUT .......................................................................................................................................6 THUC TNH MENU ........................................................................................................................................6 BNG D LI!U V KT QU ........................................................................................................................7 CI T TRUY B&T I'M .............................................................................................................................7 HI'N TH( KCH TH*C KT C+U ................................................................................................................8 KI'M TRA -I T.NG ..................................................................................................................................8
1. THIT K B TNG CT THP KHUNG 2D ................................................................................9
1.1 (NH NGHA M HNH ...........................................................................................................................10 1.1.1 nh ngha phn t ...............................................................................................................................11 1.1.2 nh ngha th vin kt cu ..................................................................................................................12 1.1.3 nh ngha gi ................................................................................................................................14 1.1.4 nh ngha cc tr ng h!p t"i ..............................................................................................................14 1.1.5 nh ngha t"i tr$ng cc tr ng h!p t"i ...............................................................................................15
1.2 PHN TCH KT C+U ..............................................................................................................................16 1.3 PHN TCH KT QU ..............................................................................................................................17 1.4 THIT K D8M BTCT ..............................................................................................................................18 1.5 THIT K CT BTCT ...............................................................................................................................19 1.6 THIT K NHI:U PH;N T< BTCT .........................................................................................................21
2. THIT K THP KHUNG 2D ........................................................................................................23
2.1 (NH NGHA M HNH ...........................................................................................................................24 2.2 (NH NGHA CC TR>NG H.P TI V TI TRNG ......................................................................25 2.3 (NH NGHA TI TRNG DO TUYT/GI ...........................................................................................26 2.4 PHN TCH KT C+U ..............................................................................................................................27 2.5 PHN TCH CHI TIT ..............................................................................................................................27 2.6 PHN TCH TON B .............................................................................................................................28 2.7 THIT K THP ........................................................................................................................................29 2.8 B- TR BN IN .........................................................................................................................................32
3. PHN TCH N H&I'D(O.............................................................................................................34
3.1 (NH NGHA M HNH ..........................................................................................................................34 3.1.1 CH'N TIU CHU-N ...........................................................................................................................34 3.1.2 nh ngha h tr.c kt cu ....................................................................................................................35 3.1.3 nh ngha phn t ...............................................................................................................................36 3.1.4 nh ngha th vin kt cu ..................................................................................................................38 3.1.5 Thm nt ph. ........................................................................................................................................39 3.1.6 nh ngha gi trn thanh ...............................................................................................................39 3.1.7 nh ngha gi .................................................................................................................................40 3.1.8 nh ngha khim khuyt hnh h$c ........................................................................................................40 3.1.9 nh ngha cc tr ng h!p t"i ..............................................................................................................41 3.1.10 nh ngha t"i tr$ng cc tr ng h!p t"i.............................................................................................41 3.1.11 S: pht sinh t"i tr$ng tuyt/gi ...........................................................................................................42 3.1.12 T: >ng t?o tA h!p t"i tr$ng tiu chuBn .............................................................................................42
3.2 PHN TCH KT C+U V KI'M TRA KT QU .................................................................................42 3.3 PHN TCH N HBIC DDO ...................................................................................................................43
3.3.1 Thay Ai nh ngha cc tr ng h!p t"i ................................................................................................43 3.3.2 Phn tch kt cu .................................................................................................................................44 3.3.3 Thay Ai tit din thanh cho phn tch n hHiIdJo ...............................................................................44 3.3.4 Phn tch kt cu v kiKm tra kt qu" ...................................................................................................45
4. T*I TR+NG DI CHUY-N KHUNG 2D ...........................................................................................46
4.1 (NH NGHA M HNH ...........................................................................................................................47 4.1.1 nh ngha phn t ...............................................................................................................................47 4.1.2 nh ngha th vin kt cu (1 mi v 1 dm cu tr.c di chuyKn bn trn) ..........................................48 4.1.3 nh ngha gi .................................................................................................................................50 4.1.4 nh ngha t"i tr$ng kt cu .................................................................................................................51 4.1.5 nh ngha t"i tr$ng di chuyKn p d.ng cho kt cu ............................................................................52
4.2 PHN TCH KT C+U .............................................................................................................................54
page: 4 Autodesk Robot Structural Analysis Professional 2010
4.3 BI'U DIEN XE V TR>NG H.P TI TRNG DI CHUY'N .............................................................54 4.4 KT QU PHN TCH .............................................................................................................................55 4.5 >NG NH HGNG ............................................................................................................................57
5. T*I TR+NG DI CHUY-N KHUNG 3D ...........................................................................................59
5.1 (NH NGHA M HNH ..........................................................................................................................60 5.2 PHN TCH KT C+U .............................................................................................................................71 5.3 THIT K THP .......................................................................................................................................73 5.4 >NG NH HGNG ............................................................................................................................77
6. KT C/U THP 3D V0I MI NI THP ........................................................................................79
6.1 (NH NGHA M HNH ..........................................................................................................................79 6.2 PHN TCH KT C+U .............................................................................................................................84 6.3 KT QU PHN TCH .............................................................................................................................84 6.4 THIT K THP .......................................................................................................................................85 6.5 THIT K M-I N-I THP .......................................................................................................................86
7. KHUNG THP 3D D2NG KHI ........................................................................................................88
7.1 (NH NGHA M HNH ..........................................................................................................................89 7.2 TNH TON V KT QU PHN TCH .................................................................................................95
8. 4NH NGHA V PHN TCH 1 SN B TNG ............................................................................98
8.1 (NH NGHA M HNH ...........................................................................................................................98 8.1.1 nh ngha ng bao ..........................................................................................................................98 8.1.2 nh ngha lQi chia ............................................................................................................................99 8.1.3 Thu>c tnh cRa sn ...............................................................................................................................99 8.1.4 nh ngha tm v lS mT................................................................................................................... 100 8.1.5 nh ngha gi ............................................................................................................................. 100 8.1.6 nh ngha cc tr ng h!p t"i .......................................................................................................... 102 8.1.7 nh ngha t"i tr$ng cho cc tr ng h!p t"i ...................................................................................... 102 8.1.8 HiKn th cc tr ng h!p t"i tr$ng ..................................................................................................... 104
8.2 PHN TCH KT C+U/KT QU (DING BN B TRN T+M C&T )............................................ 105 8.3 TNH TON DI!N TCH THP YU C8U (L THUYT) .................................................................. 108 8.4. TNH TON DIN TCH THP CUNG C+P ( THC) ........................................................................ 110
9. KT C/U KHI R7N 3D ................................................................................................................ 112
9.1 (NH NGHA M HNH ........................................................................................................................ 114 9.2 PHN TCH KT C+U ........................................................................................................................... 127 9.3 BI'U DIEN KT QU D*I DING BN B .................................................................................... 127
10. KT C/U V8 ................................................................................................................................ 129
10.1 THNG CHNA .................................................................................................................................... 129 10.2 THNG LINH ..................................................................................................................................... 134 10.3 -NG DON ............................................................................................................................................ 136 10.4 KT C+U -I XNNG TRPC .............................................................................................................. 140
11. :NG C;U 1 NH4P 3D V0I T*I TR+NG DI CHUY-N ........................................................ 145
11.1 (NH NGHA M HNH ...................................................................................................................... 147 11.1.1 nh ngha hnh h$c kt cu ............................................................................................................ 147 11.1.2 nh ngha t"i tr$ng ....................................................................................................................... 152 11.1.3 nh ngha t"i tr$ng di chuyKn p d.ng cho sn cu ....................................................................... 156
11.2 PHN TCH KT C+U ......................................................................................................................... 159 11.2.1 BiKu diVn kt qu" dQi d?ng b"n H ................................................................................................. 160
11.3 THIT K B PHN KT C+U .......................................................................................................... 161 11.3.1 Thit k thp .................................................................................................................................... 162
11.4 PHN TCH TI TRNG P NNG THEO TH>I GIAN .................................................................. 169
12. 4NH NGHA TIT DI
Autodesk Robot Structural Analysis Professional 2010 page: 5
Thng tin chung
Setup and Preferences
Preferences c hin th t menu Tools > Preferences. y c nhm thnh nhng ci t chung ti ty bin giao di n ng!i dng v nh ngha cch lm vi c c&a chng trnh. y b*n c th ch+n ngn ng lm vi c( ngn ng c&a giao di n), ci t vng ( tiu chu1n,d li u) v ngn ng in 2n. T2t c4 chng c ci t 6c l7p, b9i v7y b*n c th lm vi c vi 1 ngn ng( ch+n t 10 ci hin th) theo l tiu chu1n v ti li u in 2n 9 1 ngn ng khc. Cng trong Preferences, b*n c th thay ?i hin th cc phn t@ ring lA bBng cch s@ dDng nhng mEu nh ngha sFn hay do chnh b*n t*o ra.
Trc khi bHt Iu nh ngha kt c2u, b*n nn ci t ngn ng lm vi c v tiu chu1n p dDng trong dJ n nh hnh bn di:
Xc nh7n thao tc bBng cch 2n nt, v sau ch+n t menu chnh Tools / Job Preferences. Ci t tiu chu1n v tc 6ng nh hnh bn di:
Job Preferences c nhm trong 6 mDc: units, materials, databases, design codes, structure analysis and work parameters. Autodesk Robot Structural Analysis Professional bao gXm hn 60 d li u tit di n v v7t li u t khHp ni trn th gii. Vi 1 chuZi 70 tiu chu1n thit k c a vo, k s kt c2u c th lm vi c vi hnh d*ng tit di n c&a qu]c gia ch+n lJa, n v Inch hay mt, v ch+n tiu chu1n xy dJng qu]c gia bn trong cng vi cch tch hp.
page: 6 Autodesk Robot Structural Analysis Professional 2010
Chn la Layout
ibu ny l cIn thit ch+n lJa layout thch hp trong tin trnh nh ngha kt c2u. Layouts c truy c7p
bBng cc click h6p danh sch trn dnh gc bn ph4i c&a mn hnh chnh ci m9 danh sch layout biu dien
trong hnh bn di :
Menu ng" c#nh Khi lm vi c trong mn hnh X h+a, 1 menu ng c4nh c th kch ho*t ( nh hnh di) bBng cch 2n nt chu6t ph4i.
Menu cho php thJc hi n nhibu hu ch ( v s@ dDng th!ng xuyn) tin trnh khi chng trnh thJc hi n trc y c ra l nh.
Autodesk Robot Structural Analysis Professional 2010 page: 7
B#ng d" li&u v k*t qu#
Kch thc kt c2u c th c hi u chdnh b9i b4ng cng cD thch hp. B4ng thch hp vi layout hi n hnh hin th khi ch+n layout. Trong cch sHp xp c th thJc hi n hi u chdnh t?ng th tin trnh, nn s@ dDng lJa ch+n View menu / Tables t menu chnh. Si xu2t hi n h6p tho*i Tables: Data and Results.
Trong h6p tho*i ny, nn tch vo d2u h*ng mDc yu cIu v 2n nt OK. 1 b4ng chja d li u si c t*o ra cho mZi h*ng mDc ch+n. LIn na tab Edit c kch ho*t trong gc tri bn di c&a 1 b4ng cho, ng!i s@ dDng c th thJc hi n hi u chdnh kch thc kt c2u.
Ci /t b1t i2m
Hp thoi Snap Settings hin th khi 2n biu tng ( biu tng Iu tin c b] tr di gc bn tri mn hnh).
page: 8 Autodesk Robot Structural Analysis Professional 2010
Hi2n th6 kch th9c k*t c:u
H6p tho*i Display m9 khi 2n biu tng (biu tng thj ba gc di cng bn tri mn hnh) nh hnh di.
Tab hin th cho php truy c7p d li u trn kch thc kt. LJa ch+n ny cng hin th t menu chnh bBng cch ch+n l nh View menu / Display.
Ki2m tra ;i t
Autodesk Robot Structural Analysis Professional 2010 page: 9
Ch : Trong v dD bn di theo nguyn tHc gi4 nh xc nh ch+n lJa c&a im bHt Iu v cu]i c&a kt c2u thanh: V dD, (0,0,6) (8,0,6) ngha l 1 thanh bHt Iu b] tr t*i nt vi t+a 6 nh sau x = 0.0, y = 0.0 and z = 6.0 and im cu]i c&a thanh t*i nt vi t+a 6 nh sau x = 8.0, y = 0.0 and z = 6.0. D2u phn cch ( ci t trong h ibu hnh) ring ri vi t+a 6 n]i tip bBng cch s@ dDng 1 d2u ph1y , gia gi tr..
1. Thi*t k* b tng c;t thp A khung 2D V dD ny a ra cch nh ngha, phn tch v thit k 1 khung 2D n gi4n minh h+a trong hnh bn di. Khung c t*o b9i khung BTCT v gin t*o b9i cch s@ dDng th vi n kt c2u in hnh trong chng trnh RSAP.
n v d li u: (m) v (kN).
4 trong 5 tr!ng hp t4i tr+ng p dDng cho kt c2u c hin th trong b4n vi bn di. LOAD CASE 2 LOAD CASE 3
LOAD CASE 4 LOAD CASE 5
Nhng nguyn tHc sau y si c p dDng trong su]t qu trnh nh ngha kt: b2t k k tJ biu tng no ngha l biu tng thch hp si c 2n vi nt chu6t tri ( x ) c gi tr c ch+n l x trong h6p tho*i hoc nh7p gi tr x LMC v RMC r nhng ch vit tHt cho Click chu6t tri v Click chu6t ph4i. RSAP r vit tHt cho Autodesk Robot Structural Analysis Professional.
nh ngha kt c2u bHt Iu ch*y chng trnh RSAP( 2n vo biu tng thch hp hoc ch+n l nh t taskbar). C@a s? X h+a si xu2t hi n.
Ch+n icon trong hng Iu 2D Frame Design).
Ch : D) li*u ti+t di*n Chu u 0c s1 d2ng trong v d2 ny.
page: 10 Autodesk Robot Structural Analysis Professional 2010
1.1 6nh ngha m hnh
QU TRNH THPC HIRN
Ch+n icon Axis Definition t thanh cng cD kt c2u. Trn tab X: Position: (0) Number of repetitions: (4) Distance: (6)
Numbering: (1, 2, 3 ...)
LMC trn nt Insert
LMC trn tab Z Trn tab Z: Position: (0) Number of Repetitions: (3) Distance: (3)
Numbering: (A, B, C ...)
LMC nt Insert
Apply, Close
MIU TT
BHt Iu nh ngha trDc kt c2u. H6p tho*i Structural Axis xu2t hi n trn mn hnh.
nh ngha kch thc phng jng.
TrDc jng c nh ngha v si hin th trn Set of Created Axis field.
BHt Iu nh ngha kch thc phng ngang.
nh ngha kch thc phng ngang.
TrDc ngang c nh ngha v si xu2t hi n trong Set Of Created Axes field.
T*o xong trDc c2u ki n v ng h6p tho*i Structural Axes. H trDc kt c2u si xu2t hi n trn mn hnh nh hnh di.
Autodesk Robot Structural Analysis Professional 2010 page: 11
1.1.1 )nh ngha cc thnh ph-n
Ch+n Bar Section icon t thanh cng cD m hnh kt.
Ch+n New Section Definition icon.
LMC vo I family icon, ch+n (HEB) t danh sch Family, v ch+n (HED 240) t danh sch tit di n Add LMC trong Section Type field ( gc di bn ph4i thoaitt v ch+n RC beam. Trong nhn Label enter B 45x60. Di Basic Dimensions, g vo b = (45) cm, h = (60) cm Add, Close Close
Ch+n Bars icon t thanh cng cD m hnh kt c2u LMC vo Bar type field v ch+n RC column LMC vo Section field v ch+n lo*i: (C 45x45) LMC vo Beginning ( mu nbn thay ?i thnh xanh) Nh7p theo nhng im trong Beginning v End. Beginning: (0,0) End: (0,3), Add Beginning; (0,3) End: (0,6), Add RMC bn trong vng hin th v ch+n l nh Select t menu ng c4nh CTRL+A Edit menu / Edit / Translate LMC trn dX,dZ=: (6,0) LMC trn: Numbering Increment Nodes: (1) Numbering Increment Elements: (1)
M9 h6p tho*i Sections.
M9 h6p tho*i New Section.
nh ngha tit di n mi. Tit di n t d li u tit di n Chu u (European) c s@ dDng.
nh ngha 1 tit di n dIm BTCT.
ng h6p tho*i Sections .
M9 h6p tho*i Bars.
Ch+n thu6c tnh c&a thanh.
BHt Iu vi thanh kt c2u ( C6t kt c2u).
Xc nh v tr 2 thanh trn trDc kt c2u s] 1.
M9 menu ng c4nh v ch+n . Con chu6t si thay ?i hnh d*ng thnh bn tay.
Ch+n t2t c4 thanh. ( Nh kch ho*t trc c@a s? mn hnh.)
M9 h6p tho*i Translation.
nh ngha vecto chuyn v v s] gia cho nt v thanh.
page: 12 Autodesk Robot Structural Analysis Professional 2010
LMC trn Number of repetitions: (4) Execute, Close LMC trn Bar type trong h6p tho*i Bars v ch+n RC beam LMC trn Section v ch+n (B 45x60) LMC trn Beginning ( mu nbn thay ?i thnh xanh) Beginning: (0,3) End: (6,3), Add Beginning: (6,3) End: (12,3), Add Beginning: (12,3) End: (18,3), Add Beginning: (18,3) End: (24,3), Add Close View menu / Display LMC Bars tab Tch lJa ch+n SectionAShape, Apply, OK
nh ngha s] bc lp( s] phIn t@ sao chp) trong qu trnh di chuyn.
C6t c sao chp; ng h6p tho*i Translation.
BHt Iu nh ngha dIm kt c2u v ch+n thu6c tnh cho chng.
BHt Iu xc nh v tr thanh kt c2u.
Xc nh v tr dIm trn trDc kt c2u B.
ng h6p tho*i Bars .
M9 h6p tho*i Display .
LJa ch+n ny cho php hin th hnh d*ng tit nghiaxthanh kt c2u c nh ngha. Thanh si c hin th trn mn hnh nh hnh di.
1.1.2 )nh ngha th2 vi4n k6t c7u
View menu / Display M9 h6p tho*i Display LMC Nodes tab LJa ch+n ny cho php hin th s] nt t*i im cu]i c&a Ch+n Node numbers, mZi thanh . Apply, OK
Autodesk Robot Structural Analysis Professional 2010 page: 13
Ch+n Library Structure icon c b] tr 9 thanh cng cD m hnh kt c2u. LMC (click p) vo icon
LMC vo Length L trn Dimensions tab: (24) LMC vo Height H: (3) LMC vo Number of Fields: (12) LMC vo the Sections tab; Ch+n t2t c4 thanh bin ( trn v di) gn (DCED 90x10) v cc thanh xin v ng gn (CAE 70x7) LMC vo Insert tab LMC vo Insertion point , ch+n nt s] 3 theo h t+a 6: (0,0,6) Apply, OK
View menu / Display
M9 h6p tho*i Typical Structures v bHt Iu nh ngha th vi n kt c2u.
Ch+n gin tam gic lo*i 1. H6p tho*i Merge Structure xu2t hi n v kch thc gin c th c xc nh.
Xc nh 6 di gin (N cng c th xc nh bBng X th trong vng hin th).
nh ngha chibu cao gin (N cng c th xc nh bBng X th trong vng hin th). Xc nh s] bc chia c&a gin.
Gn hnh d*ng thanh gin.
Xc nh nt bHt Iu gin .
Xc nh ng v tr gin v ng h6p tho*i Merge structure . Kt c2u c xc nh xu2t hi n nh hnh di.
M9 h6p tho*i Display
page: 14 Autodesk Robot Structural Analysis Professional 2010
LMC Nodes tab THt lJa ch+n Node numbers LMC Structure tab THt lJa ch+n Structural axis, Apply, OK
Geometry menu / Releases LMC vo PinnedAFixed kiu gi4i phng lin kt LMC vo Current selection, chuyn sang vng hin th v chd vo ( di con tr qua) thanh jng cao nh2t c&a gin ( thanh gia nt 9 v 29) Close
M9 h6p tho*i Releases.
Ch+n kiu gi4i phng lin kt si c gn cho thanh gin
Khi ch+n thanh; CH : mi tn xu2t hi n sng trn thanh gin sau lc chd vo thanh mi tn hng ln trn( hng c&a lin kt gi4i phng c ngha: t*i nt Iu tin khp c gn, t*i nt cn l*i ngm c gn).
ng h6p tho*i Releases
1.1.3 ;nh ngha g
Ch+n Supports icon t thanh cng cD m hnh kt c2u LMC vo Current Selection trn Nodal tab ( con chu6t si nh2p nhy trong tr!ng) Chuyn sang vng hin th bBng cch 2n nt chu6t tri; ch+n t2t c4 nt di c6t trong c@a s? Trong h6p tho*i Supports ch+n g]i l ngm ( g]i si c 2n nh) Apply, Close
M9 h6p tho*i Supports
Ch+n nt kt c2u ni g]i c xc nh.
Ch+n nt: 1to13by3 si c nh7p vo tr!ng Current Selection.
Ch+n lo*i g]i .
Ch+n lo*i g]i c gn ti nt kt c2u, ng h6p tho*i Supports
1.1.4 )nh ngha cc tr2@ng hAp tBi
Ch+n Load Types icon t thanh cng cD m hnh kt c2u LMC vo nt New LMC vo Nature: (Live1) LMC vo nt New LMC vo nt New LMC vo Nature: (Wind)
M9 h6p tho*i Load Types.
nh ngha dead load (selfAweight) vi tn chu1n l DL1.
Ch+n lo*i t4i tJ nhin: live.
nh ngha 2 tr!ng hp t4i live load vi tn chu1n l LL1 v LL2.
Ch+n lo*i t4i tJ nhin: wind.
Autodesk Robot Structural Analysis Professional 2010 page: 15
LMC vo nt New nh ngha lo*i t4i tr+ng gi vi tn chu1n l WIND1. LMC vo Nature: (Snow) Ch+n lo*i t4i tJ nhin: snow. LMC vo nt New, Close nh ngha lo*i t4i tr+ng tuyt vi tn chu1n l SN1
V ng h6p tho*i Load Types.
1.1.5 ;nh ngha tBi trEng cho cc tr2@ng hAp tBi
Loads menu / Load Table
, Ch+n Restore Down icon trong gc trn cng bn ph4i b4ng view. B] tr b4ng trong 1 phIn di mn hnh nh 1 cch hi u chdnh 6 r6ng v hin th m hnh kt c2u LMC ch+n t4i tr+ng thj 2 trong c6t Case, ch+n tr!ng hp t4i 2nd LL1 t danh sch LMC trn c6t Load Type, ch+n uniform load LMC trn tr!ng trong c6t List, ch+n t2t c4 dIm b tng trn mn hnh hin th ( thanh 11to14) LMC trn tr!ng trong c6t "PZ=" v nh7p gi tr: (r40) LMC trn tr!ng tip theo trong c6t Case, ch+n tr!ng hp t4i 3rd LL2 t danh sch LMC trn c6t Load Type , ch+n trapezoidal load (2p) LMC trn tr!ng trong c6t List, ch+n hin th trong vng X h+a nhp Iu tin bn tri c&a dIm BT (thanh 11) LMC trn tr!ng trong c6t "PZ1=" v nh7p gi tr: (r20) LMC trong tr!ng X2 v nh7p gi tr :(1.0) LMC trn tr!ng trong c6t "PZ2=" v nh7p gi tr: (r25) LMC trn tr!ng k tip trong c6t Case v ch+n tr!ng hp t4i 4th WIND1 t danh sch
Opens a table for loads acting in defined load cases.
Gi4m kch thc b4ng nh th c th hin th t4i tr+ng. ( b*n cng c th dng Windows/Align Windows sau khi c@a s? t4i tr+ng thay ?i kch thc.)
Tnh t4i ( hng rZ) tJ 6ng p dDng cho t2t c4 kt c2u thanh
nh ngha t4i tr+ng cho tr!ng hp t4i thj 2.
Ch+n lo*i t4i tr+ng.
Ch+n thanh gn t4i tr+ng uniform
Ch+n hng v gn gi tr t4i tr+ng uniform.
nh ngha t4i tr+ng tr!ng hp t4i thj 3.
Ch+n lo*i t4i tr+ng.
Ch+n thanh si c gn t4i tr+ng trapezoidal (hnh thang)
Ch+n hng v gi tr t4i tr+ng trapezoidal
nh ngha t4i tr+ng cho tr!ng hp t4i thj 4.
page: 16 Autodesk Robot Structural Analysis Professional 2010
LMC trn tr!ng trong c6t Load Type ch+n t4i tr+ng uniform LMC trn tr!ng trong c6t List ch+n hin th trong vng giao di n, ch+n c6t bn tri ( thanh 1 v 2) LMC trn tr!ng trong c6t "PX=" v nh7p gi tr: (15) LMC trn tr!ng trong c6t Case ch+n tr!ng hp t4i 5th SN1 t danh sch LMC trn tr!ng trong c6t Load Type , ch+n nodal force nh 1 lo*i t4i tr+ng LMC trn tr!ng trong c6t List, ch+n hin th trong vng giao di n nt trn cng c&a thanh cnh trn ( khng k nt gc) ( nt 24to34) LMC trn tr!ng trong c6t "FZ=" v nh7p gi tr: (r25) ng Load table
1.2 Phn tch k*t c:u
Tools menu / Job Preferences
Units and Formats / Other
Tng s] ch s] th7p phn cho Displacement (chuyn v) ti 4 OK
Ch+n Calculations icon t thanh cng cD m hnh Results menu / Diagrams for bars
Ch+n lo*i t4i tr+ng.
Ch+n thanh si gn t4i tr+ng uniform.
Ch+n hng v gi tr t4i tr+ng phn b] bu.
nh ngha t4i tr+ng cho tr!ng hp t4i thj 5.
Ch+n lo*i t4i tr+ng.
Ch+n nt gn lJc t7p trung.
Ch+n hng v gi tr t4i tr+ng.
M9 h6p tho*i Job Preferences
Ch+n lJa ny cho php nh ngha s] ch s] th7p phn sau d2u ph1y.
Tng s] ch s] th7p phn cho chuyn v ti 4.
Ch2p nh7n v ng h6p tho*i Job Preferences
BHt Iu tnh ton kt c2u.
Autodesk Robot Structural Analysis Professional 2010 page: 17
1.3 Analysis Results
LMC Reactions table
T thanh cng cD ch+n lJa , ch+n (2: LL1) Ch+n My Moment trn tab NTM trong h6p tho*i Diagrams Apply
THt lJa ch+n My Moment trong h6p tho*i Diagrams, Apply
Ch+n Displacements icon t thanh cng cD m hnh kt c2u LMC trn Global extremes tab trong b4ng Displacements
Hin th kt qu4 cho tr!ng hp t4i thj 2.
Ch+n m men u]n My cho hin th.
Hin th s X momen u]n trong thanh kt c2u ( nhn nh b4n vi di). Trong cch tng tJ, s X c th a ra gi tr khc t h6p tho*i Diagrams
M9 1 b4ng chja chuyn v kt c2u.
Hin th chuyn v ln nh2t v b nh2t *t c trong nt kt c2u ( nhn nh b4n vi di).
page: 18 Autodesk Robot Structural Analysis Professional 2010 LMC trn tab Values
RMC trn b4ng Displacements
B4ng Columns
LMC trn tab General v ch+n Coordinates,nt OK ng b4ng Displacements
G+i menu ng c4nh.
Ch+n b4ng Columns v m9 h6p tho*i.
2 c6t thm vo chja t+a 6 nt.
1.4 Thi*t k* dYm BTCT
CH : Tiu chuLn tnh ton thNc hi*n theo EN 1992A1A1:2004 AC:2008. RMC trn vng X h+a v ch+n Select t menu ng c4nh; ch+n t2t c4 dIm BTCT t c&a s? mn hnh Analysis menu / Design of RC Structure Elements / RC Beam Design Simple Cases OK LMC ti khung nhn Beam F Section Analysis / Calculation Options Trn tab Concrete ch+n C25/30 t tr!ng Name Trn Longitudinal reinf. Khng ch+n !ng knh t 6 n 18 mm OK Analysis / Reinforcement pattern
Ch+n dIm thit k.
Ch*y modun ci cho php thit k. D li u trn dIm cng vi kt qu4 phn tch tnh si c load ti modun ny.
Ch+n Simple Cases trong h6p tho*i Parameters of RC Elements.
Ch+n khung nhn hin th tit di n dIm.
M9 h6p tho*i Calculation Options.
nh ngha kch thc BT v thp. ng h6p tho*i Calculation Options.
M9 h6p tho*i Reinforcement patern.
Autodesk Robot Structural Analysis Professional 2010 page: 19
Trn tab Shapes cho Longitudinal bars A Main thay ?i gi tr Left and Right hook ti 90.0 OK
LMC trn h6p ch+n layouts RSAP program Layout: RC Beams / Beam A results
RC Beams / Beam A reinforcement Layout
Results menu / Drawings RC Beams / Beam F Reinforcement Results menu / Calculation Note OK ng cng cD hi u chdnh tnh ton
nh ngha kiu c]t thp. ng h6p tho*i Reinforcement patern
Mn hnh v b4ng xu2t hi n kt qu4 c c. (s X mt cHt ngang lJc gii h*n khc nhau v s X cho di n tch c]t tho d+c chibu di dIm). CH : Thi+t k+ dRm BTCT bSt Ru 1 cch tN Tng.
Mn hnh v b4ng xu2t hi n c]t thp trong dIm (nhn nh hnh vi bn di).
Hin th 1 b4n vi c&a dIm Iu tin c thit k.
Quay l*i layout BEAM A REINFORCEMENT
M9 h6p tho*i Calculation Note ni ng!i dng c th ch+n phIn t@ tnh ton v bHt Iu hi u chdnh d li u v kt qu4 hin th trong dIm .
1.5 Thi*t k* c\t BTCT
CH : Tiu chuLn tnh ton 0c thNc hi*n theo EN 1992A1A1:2004 AC:2008. Ch+n layout START t danh sch layouts hin th
Layout Structure Model / Start c&a chng trnh RSAP
page: 20 Autodesk Robot Structural Analysis Professional 2010
Khi trong vng hin th RMC v ch+n Select; ch+n c6t trong c@a s? di cng bn tri (thanh 1)
Analysis menu / Design of RC Structure Elements / RC Column Design Simple cases, OK
LMC khung Column F Section
Analysis menu / Calculation Options
Trn tab Concrete tab ch+n C25/30 t tr!ng Name Trn tab Longitudinal reinf khng chVn Wng knh tX 6 n12 mm OK
Ch+n Start Calculations icon t thanh cng cD m hnh LMC ch+n Results layout trong h6p tho*i Calculation Option Set Calculations
T danh sch t? hp t4i tr+ng hin th b] tr trn mt bn tri c&a h6p tho*i Intersection ch+n t? hp Iu tin trn cng
Ch+n c6t si c thit k
Ch*y modun cho php thit k c6t BTCT. D li u trn c6t cng vi kt qu4 phn tch tnh si c load ti modun ny.
Ch+n lJa Simple cases trong h6p tho*i Parameters of RC Elements.
Ch+n khung nhn tit di n c6t.
M9 h6p tho*i Calculation Options
nh ngha kch thc BT v thp. ng h6p tho*i Calculation Options.
BHt Iu tnh ton c]t thp yu cIu theo kch thc c ch+n.
Khi tnh ton hon thanh mn hnh hin th bb mt c&a tc 6ng tng hZ gia NrM, MyrMz.
Hin th tit di n c6t vi phIn t@ nh d2u theo sau trn n nh: trDc trung ha, vng chu nn v ko cng vi h s] an ton thch hp cho t? hp t4i tr+ng c ch+n .
Autodesk Robot Structural Analysis Professional 2010 page: 21
Close
LMC trn tr!ng lJa ch+n layout RC Columns / Column A reinforcement
ng h6p tho*i Intersection
Hin th c]t thp c c trong c6t v d*ng b4ng ( nhn nh b4n vi bn di)
1.6 Thi*t k* nhi]u phYn t^ BTCT
Tiu chu1n EN 1992r1r1:2004 AC:2008
page: 22 Autodesk Robot Structural Analysis Professional 2010
layout START c ch+n t gia nhng ci chng trnh
Structure Model / Start Layout Analysis menu / Design of RC Structure Elements / RC Member Design / Calculations a vo danh sch thanh 1to14 trong tr!ng Calculations for: ( vi lJa ch+n Design c kch ho*t) a vo danh sch cc tr!ng hp t4i (1to5) p dDng cho kt c2u v s@ dDng trong su]t qu trnh thit k vo tr!ng Lists of cases LJa ch+n Calculate cho dIm gi4 nh theo kch thc sau: in (11) points LMC nt Calculate ng h6p tho*i RC Member Calulations: Report ng h6p tho*i Calculations According to EN 1992F1F1:2004 AC:2008 Results menu / Reinforcement / RC Member Reinforcement ng b4ng Results for required member reinforcement
cung c2p
H6p tho*i Calculations According to EN 1992F1F1:2004 AC:2008 c m9.
Ch+n phIn t@ si c tr4i qua qu trnh thit k
Ch+n t2t c4 cc tr!ng hp t4i tr+ng
Xc nh kch thc tm kim di n tch c]t thp l thuyt (yu cIu) cho phIn t@ kt c2u c ch+n
Tnh ton di n tch thp l thuyt (yu cIu) cho phIn t@ kt c2u c ch+n v v thng s] theo tnh ton c bHt Iu.
Hin th 1 c&a s? chja c4nh bo tnh ton v lZi vb di n tch thp l thuyt ( yu cIu)
M9 b4ng Results for required member reinforcement kt qu4 tnh ton c]t thp l thuyt (yu cIu) cho tit di n phIn t@ BTCT c ch+n si hin th
Autodesk Robot Structural Analysis Professional 2010 page: 23
2. Thi*t k* thp khung 2D Tip sau l 1 v dD nh ngha, phn tch v thit k 1 khung thp 2D n gi4n hin th nh hnh vi bn di.. n v d li u: (m) v (kN).
3 lo*i t4i tr+ng si c gn cho kt c2u (tr+ng lng b4n thn v 2 tr!ng hp ho*t t4i hin th trong hnh vi di). Hn na, (10) tr!ng hp t4i tr+ng c tJ 6ng t*o ra cho t4i tuyt/gi gn cho kt c2u.
CASE 2 CASE 3
Nhng nguyn tHc sau y si c p dDng trong su]t qu trnh nh ngha kt: b2t k k tJ biu tng no ngha l biu tng thch hp si c 2n vi nt chu6t tri ( x ) c gi tr c ch+n l x trong h6p tho*i hoc nh7p gi tr x LMC v RMC r nhng ch vit tHt cho Click chu6t tri v Click chu6t ph4i. RSAP r vit tHt cho Autodesk Robot Structural Analysis Professional.
nh ngha kt c2u bHt Iu ch*y chng trnh RSAP( 2n vo biu tng thch hp hoc ch+n l nh t taskbar). C@a s? X h+a si xu2t hi n. ,
Ch+n icon Iu tin trong dng Iu tin (khung 2D) . CH : D li u tit di n Php c s@ dDng trong v dD ny. Ci t vng French 9 regional settings trong Preferences (Tools menu / Preferences).
page: 24 Autodesk Robot Structural Analysis Professional 2010
2.1 6nh ngha m hnh
TIaN TRNH THPC HIRN
Structure model / Bars Layout LMC trong tr!ng Bar type v ch+n kiu Column LMC trong tr!ng Section v ch+n kiu HEA 300 ( nu tit di n khng hin th trong danh sch, ng!i dng nn m9 h6p tho*i New section bBng cch 2n nt
V ch+n tit di n yu cIu) LMC trong tr!ng Beginning ( mu nbn si chuyn mu xanh ) C6t 1: Beginning:(0,0) End:(0,5) Beginning:(0,5) End:(0,10) Beginning:(0,10) End:(0,15) C6t 2: Beginning:(8,0) End:(8,5) C6t 3: Beginning:(16,0) End:(16,5) Beginning:(16,5) End:(16,10) Beginning:(16,10) End:(16,15) C6t 4: Beginning:(24,0) End:(24,5) Beginning:(24,5) End:(24,8) LMC trong tr!ng Bar type v ch+n lo*i Beam. LMC trong tr!ng Section v ch+n lo*i HEA 300 LMC trong tr!ng Beginning ( mu nbn si thay ?i sang xanh) DIm 1: Beginning:(0,5) End:(8,5) Beginning: (8,5) End:(16,5) Beginning:(16,5) End:(24,5) dIm 2: Beginning:(0,10) End:(16,10) dIm 3: Beginning:(16,10) End:(24,8) dIm 4: Beginning:(0,15) End:(16,15)
MIU TT
Layout BARS si c ch+n t nhng hin th trong chng trnh RSAP
nh ngha thu6c tnh c&a thanh. Tit di n t d li u tit di n c&a Php c s@ dDng trong v dD ny.
BHt Iu nh ngha kt c2u thanh (c6t c&a kt c2u)
Xc nh c6t trong khung
BHt Iu nh ngha kt c2u dIm v xc nh thu6c tnh c&a chng. Tit di n t d li u tit di n c&a Php c s@ dDng trong v dD ny.
BHt Iu xc nh kt c2u dIm
Xc nh dIm trong khung
Autodesk Robot Structural Analysis Professional 2010 page: 25
Ch+n layout Iu c&a chng trnh RSAP
LMC trong tr!ng v ch+n layouts Trong RSAP v ch+n Structure model / Start Layout
Ch+n biu tng Zoom All t thanh cng cD m hnh kt c2u
Ch+n biu tng Supports t thanh cng cD m hnh kt c2u LMC trn tr!ng Current selection trong tab Nodal Chuyn sang khung nhn hin th; khi 2n nt chu6t tri, ch+n t2t c4 nt di c&a c6t. Ch+n biu tng ngm trong h6p tho*i Supports ( n si sng ln) Apply, Close
Khung nhn Iu
M9 h6p tho*i Supports
Ch+n nt kt c2u ni si gn g]i
Ch+n cc nt 1, 5, 7 v 11 si c a vo Actual selection
Ch+n lo*i g]i
Ch+n lo*i g]i si c gn cho nt ch+n c&a kt c2u
2.2 6nh ngha lobi t#i trng v t#i trng
Ch+n Load Types icon t thanh cng cD m hnh kt c2u LMC vo nt New LMC tr!ng Nature (Live) LMC nt New LMC nt New Close Loads menu / Load Table
n , b] tr b4ng bn di mn hnh, thay ?i 6 r6ng c&a khung nhn v cho php m hnh kt c2u c nh ngha hin th
LMC thj 2 trong c6t CASE , ch+n tr!ng hp t4i 2: LL1
M9 h6p tho*i Load Types
nh ngha 1 tr!ng hp tnh t4i (tr+ng lng b4n thn) v nhn chu1n DL1
Ch+n lo*i c&a tr!ng hp t4i: ho*t t4i
nh ngha 2 tr!ng hp t4i vi ho*t t4i tJ nhin v nhn chu1n LL1 v LL2
ng h6p tho*i Load types
M9 b4ng nh ngha t4i tr+ng trong cc tr!ng hp t4i nh ngha
Thu nh kch thc b4ng c th sHp xp hin th t4i tr+ng c nh ngha
nh ngha thao tc t4i tr+ng trong tr!ng hp t4i thj 2
page: 26 Autodesk Robot Structural Analysis Professional 2010
Tng tJ tip tDc LMC trong c6t LOAD TYPE , ch+n t4i uniform load
LMC trn dng trong c6t LIST, hin th ch+n lJa trong khung nhn c&a dIm 1 ( thanh10to12) LMC trn hng trong c6t "PZ=" v nh7p gi tr (r20) LMC hng thj 3 trong c6t CASE ch+n tr!ng hp 3 r LL2 LMC vo hng trong c6t LOAD TYPE, ch+n t4i phn b] bu LMC vo hng trong c6t LIST, ch+n hin th dIm 2 (thanh 13) LMC hng trong c6t "PZ=" v nh7p gi tr (r14) ng b4ng t4i tr+ng
Ch+n lo*i t4i tr+ng
LJa ch+n thanh ci c gn t4i tr+ng phn b] bu
Ch+n hng v gi tr t4i tr+ng phn b] bu
nh ngha t4i tr+ng trong tr!ng hp t4i thj 3
Ch+n lo*i t4i tr+ng
Ch+n thanh si c gn t4i phn b] bu
Ch+n hng v gi tr t4i tr+ng phn b] bu
2.3 6nh ngha t#i trng tuy*t/gi
Tiu chu1n Php: NV65 Mod99+Carte 96 04/00 Loads menu / Special loads / Wind and Snow 2D/3D n nt Auto; Khng lJa ch+n: without parapets with base not on ground isolated roofs Xc nh cc kch thc sau: Total depth = (60) Bay spacing = (10) LJa ch+n: wind snow n nt Parameters Xc nh thng s] t4i tr+ng tuyt/gi : Global parameters tab: khu hnh chnh: AlpesrMaritimes altitude above the sea level: (200) structure height: (15) m reference level: (0.8) m rise of roof: automatic
M9 h6p tho*i Snow and Wind 2D/3D
TJ 6ng t*o !ng bao cho t4i tr+ng kt c2u (trong tr!ng Envelope chng trnh a ra s] nt sau: 1, 2, 3, 4, 10, 9, 13, 12, 11) v xc nh thng s] c b4n cho !ng bao kt c2u
Xc nh cc thng s] c b4n cho t4i tr+ng gi/tuyt
M9 h6p tho*i b? sung (Snow/Wind Loads 2D/3D), ni ng!i dng c th nh ngha thng s] chi tit Xc nh thng s] t?ng th
Autodesk Robot Structural Analysis Professional 2010 page: 27
Wind tab: Site: Normal Type: Normal Wind pressure: automatic Structure dimension effect: automatic Ko lJa ch+n trong nhm Specific actions Snow tab: Snow pressure: automatic cho normal and extreme
LJa ch+n: Snow redistribution
Generate
ng h6p tho*i ch tnh ton ng h6p tho*i Snow and Wind 2D/3D
2.4 Phn tch k*t c:u
Ch+n Calculations icon t thanh cng cD chu1n
2.5 Phn tch chi ti*t
Ch+n dIm 1 trong mn hnh hin th ( thanh 10,11,12)
LMC ch+n layout RSAP :
Results / Detailed Analysis Layout
Ch+n tr!ng hp t4i thj 2
Trong h6p tho*i Detailed Analysis ch+n Open a new window b] tr 9 gc di cng bn tri, Trn tab NTM ch+n MY Moments
Xc nh cc thng s] t4i tr+ng tuyt/gi
Xc nh thng s] cho t4i tr+ng tuyt
n nt kt qu4 si bHt Iu c t*o cho t4i tr+ng tuyt v gi vi th]ng s] c ch2p nh7n. Ch tnh ton si xu2t hi n trn mn hnh. N si hin th thng s] tr!ng hp t4i tuyt/gi
Tnh ton kt c2u bHt Iu. Khi tnh ton xong, thanh trn cng c&a chng trnh RSAP si hin th tin nhHn: Results (FEM) : available.
Phn tch chi tit thanh kt c2u c bHt Iu. Mn hnh quan st c chia thnh 2 phIn: mn hnh hin th m hnh kt c2u v h6p tho*i Detailed Analysis
Ch+n hin th cho dIm c ch+n lJa
page: 28 Autodesk Robot Structural Analysis Professional 2010
Apply Trong h6p tho*i Detailed analysis ch+n theo lJa ch+n sau: Ch+n jng su2t ln nh2t Smax trn tab Stresses Ch+n im c trng trn tab Division points
LMC vo Refresh
Apply
Ch+n tab Global extremes trong b4ng
Exit
2.6 Phn tch ton b\ LMC ch+n RSAP program layout: Structure Model / Start Layout
1 khung hin th b? sung xu2t hi n trn mn hnh. N chja 2 phIn: 1 mn hnh hin th thng tin (s X, t4i tr+ng, tit di n thanh) cho thanh c ch+n v b4ng hin th kt qu4 d*ng s] c c trn thanh ch+n
Ch+n kh]i lng hin th cho dIm ch+n
Thm kh]i lng hin th mi cho dIm ch+n
Kch ho*t hin th im cJc tr c c trn dIm ch+n (nh hnh di)
ng khung nhn hin th phn tch chi tit c&a dIm ch+n
Ch+n layout Iu tin trong RSAP layout.
Autodesk Robot Structural Analysis Professional 2010 page: 29
Results menu / Global Analysis A Bars RMC khi con tr ang trong khung nhn. Table Columns Trn tab Stresses ko ch+n t2t c4 h6p ch+n.
Design tab: LJa ch+n Ratio
LMC nt OK
LMC vo Upper limit trong b4ng v nh7p gi tr 1.0 RMC khi con tr chu6t ang trong khung nhn X h+a Ch+n lJa Constant display of limit values
Close
2.7 Thi*t k* thp
Tiu chu1n CM66
BHt Iu phn tch ton b6 t2t c4 thanh trong kt c2u. 1 khung nhn xu2t hi n. N gXm 2 phIn: mn hnh hin th thng tin v b4ng hin th kt qu4 d*ng s].
1 menu ng c4nh xu2t hi n
Ch+n lJa 1 lJa ch+n trong menu ng c4nh m9 h6p tho*i Parameters of presentation windows
Tr+n kh]i lng phn tch ton b6 si hin th
Ch2p nh7n ch+n lJa
Gi tr cao nh2t c&a h s] c xc nh
1 menu ng c4nh xu2t hi n trn mn hnh X h+a
Gi tr gii h*n c hin th vi !ng thBng nBm ngang trong khung nhn X h+a c&a phn tch t?ng th(nh di)
ng khung nhn hin th phn tch t?ng th
page: 30 Autodesk Robot Structural Analysis Professional 2010
Thit k thnh phIn kt c2u thp c bHt Iu.
LMC ch+n layout RSAP program : Structure design / Steel/Aluminum design Layout LMC nt New trn tab Groups trong h6p tho*i Definitions Xc nh nhm Iu tin vi kch thc nh sau: Number: 1 Name: columns Member list: 1to9 Material: ACIER Defaut Save LMC nt New trn tab Groups tab trong h6p tho*i Definitions Xc nh nhm thj 2 theo thng s] nh sau: Number: 2 Name: beams Member list: 10to15 Material: ACIER Defaut Save LMC nt List trong Code group design trong h6p tho*i Calculations LMC nt All (trong tr!ng trn nt Previous, ni si xu2t hi n danh sch: 1to2), Close LMC nt List trong nhm Loads (h6p tho*i Calculations) LMC trong tr!ng trn nt Previous; xc nh danh sch: 1to3, Close Kch ho*t lJa ch+n: Optimization ch 6 gii h*n: Ultimate Ko lJa ch+n: Save calculation results LMC nt Calculations
Mn hnh ibu khin c chia thnh 3 phIn: khung nhn hin th, h6p tho*i Definitions v h6p tho*i Calculations
nh ngha cc nhm phIn th@ c bHt Iu
nh ngha nhm Iu tin chja t2t c4 cc c6t trong kt c2u
Lu thng s] nhm Iu tin
nh ngha nhm thj 2
nh ngha nhm thj 2 chja t2t c4 dIm trong kt c2u
Lu thng s] c&a nhm thj 2
Ti h6p tho*i Calculations v m9 h6p tho*i Code Group Selection
Ch+n cc thnh phIn nhm c gn
M9 h6p tho*i Load Case Selection
Ch+n 3 tr!ng hp t4i (DL1, LL1, and LL2)
Thit k nhm si c s@ dDng 1 cch t]i u ( tit di n thch hp si c ch ti tr+ng lng c&a chng); ch 6 gii h*n t]i a si c kim tra
Thit k nhm phIn t@ ch+n c bHt Iu; xu2t hi n h6p tho*i CM66 F Code Group Design trn mn hnh
Autodesk Robot Structural Analysis Professional 2010 page: 31
LMC nt Change all trong h6p tho*i Code Group Design biu dien nh trn; ch2p nh7n c4nh bo vb c th thay ?i tnh tr*ng kt qu4 ti ko hin th not available Close
Ch+n Calculations icon t thanh cng cD m hnh
LMC nt Calculations trong h6p tho*i Calculations LMC nt Change all trong h6p tho*i Code group design ; ch2p nh7n c4nh bo vb c th thay ?i tnh tr*ng kt qu4 thnh not available Close
Ch+n Calculations icon t thanh cng cD chu1n
LMC the Calculations button in the Calculations dialog box
Thay ?i hnh d*ng hi n hnh s@ dDng trong phIn t@ thu6c c4 2 nhm ti tnh ton tit di n (cho c6t: t HEA 300 thnh HEA 240, cho dIm: t HEA 300 thnh HEA 450). Khi tit di n c thay ?i, thanh trn cng c&a chng trnh RSAP si hin th tin nhHn: Results (FEM) : out of date.
ng hp tho*i Code Group Design
Tnh ton l*i kt c2u vi phIn t@ thay ?i tit di n. Khi tit di n thay ?i, thanh trn cng c&a RSAP si hin th tin nhHn: Results (FEM) : available.
Thit k l*i cc nhm phIn t@ ch+n trong kt c2u (1,2) vi kch ho*t lJa ch+n ti u; Ni si xu2t hi n khung nhn Short results
Thay ?i hnh d*ng tit di n hi n hnh s@ dDng trong phIn t@ thu6c c4 2 nhm ti tnh ton tit di n. Khi tit di n thay ?i, thanh trn cng c&a RSAP si hin th tin nhHn sau: Results (FEM) : out of date.
ng h6p tho*i Code Group Design
Tnh ton l*i kt c2u vi phIn t@ thay ?i tit di n. Khi tit di n thay ?i, thanh trn cng c&a RSAP si hin th tin nhHn: Results (FEM) : available.
Thit k l*i cc nhm phIn t@ ch+n trong kt c2u (1,2) vi kch ho*t lJa ch+n ti u; Ni si xu2t hi n khung nhn Short results di. Khi tit di n ko thay ?i trong su]t qu trnh thit k nhm c th ni rBng tnh ton tit di n l tit di n t]i u cho thit k phIn t@ nhm. B*n ph4i lp l*i tin trnh thit k l*i n khi b*n si nhn th2y kt qu4 bn di.
page: 32 Autodesk Robot Structural Analysis Professional 2010
Close LMC trong tr!ng Member verification trong h6p tho*i Calculations v nh7p 9 : (1to15) LMC trn tr!ng Load case list trong h6p tho*i Calculations v nh7p 9 y: (1to3) LMC nt Calculations Close
2.8 Thnh phYn b#n in
File Menu / Printout Composition LMC tab Simplified printout
ng h6p tho*i Code Group Design
Ch+n phIn t@ kim tra
Ch+n t2t c4 cc tr!ng hp t4i
Kim tra phIn t@ kt c2u ch+n c bHt Iu (kim tra c tin hnh n khi kt qu4 thu c cho tng phIn t@ kt c2u ring bi t; tuy nhin ibu ny ko cIn thit); C xu2t hi n 1 khung nhn Short results
ng h6p tho*i Member Verification
M9 h6p tho*i Printout Composition F Wizard, ni c th nh ngha d*ng b4n in cho kt c2u thit k hi n th!i
Ti tab Simplified printout
Autodesk Robot Structural Analysis Professional 2010 page: 33
THt lJa ch+n ( k tJ Ko xu2t hi n): Quantity survey, Combinations Ch+n d li u t danh sch hin th nh sau: Reactions r global extremes Displacements r envelope Forces r values Stresses r envelope LMC nt Save template LMC tab Standard Hi n sng lJa ch+n trong b4ng tri:
Member Group Design
LMC nt Add
LMC nt Preview
Close
Close
D li u vb kh]i lng kim tra v t? hp t4i tr+ng si khng c trong b4n in
Ch+n d li u hin th cho kt qu4 tnh ton kt c2u
n nt kt qu4 trong tab Templates trong h6p tho*i Printout composition F Wizard v bao gXm b4n in phIn t@ rt g+n ch+n trong b4ng bn ph4i
Ti tab Standard
Ch+n phIn t@ c2u thnh nn b4n in
Going to the selected option in the right panel
Trnh by xem trc in 2n b4n in nh ngha cho kt c2u thit k
ng khung xem trc khi in
ng h6p tho*i Printout Composition F Wizard
page: 34 Autodesk Robot Structural Analysis Professional 2010
3. Phn tch n hdiAdeo V dD ny trnh by cch nh ngha, phn tch v thit kt 1 khung thp 2D n gi4n nhn nh hnh di. Tin trnh nh ngha gXm jng dDng t*o gin bBng th vi n kt c2u in hnh hin th trong chng trnh Autodesk Robot Structural Analysis Professional. M hnh xt n ibu ki n tiu chu1n Chu u (EuroCode) vi ch ti khim khuyt hnh h+c v phn tch v7t li u n hXir dAo . n v d li u: (m) and (kN).
Nhng nguyn tHc sau y si c p dDng trong su]t qu trnh nh ngha kt: b2t k k tJ biu tng no ngha l biu tng thch hp si c 2n vi nt chu6t tri ( x ) c gi tr c ch+n l x trong h6p tho*i hoc nh7p gi tr x LMC v RMC r nhng ch vit tHt cho Click chu6t tri v Click chu6t ph4i. RSAP r vit tHt cho Autodesk Robot Structural Analysis Professional.
bHt Iu nh ngha kt c2u ch*y chng trnh RSAP ( 2n icon thch hp hoc ch+n l nh t
taskbar). Trong 4nh hi n ra trn mn hnh ch+n icon Iu tin (Frame 2D Design) si c ch+n.
3.1 6nh ngha m hnh
3.1.1 ChEn tiu chuTn
Ti*n trnh thc hi&n Miu t# Tools menu / Job Preferences M9 h6p tho*i Job Preferences Materials Ch+n t Materials di danh sch: Eurocode Design codes Steel / Aluminum structures: (EN 1993A1:2005) Loads
Ch+n Materials t cy lJa ch+n trong h6p tho*i
Ch+n d li u v7t li u tiu chu1n Chu u
Ch+n tiu chu1n thit k t cy trong h6p tho*i
Ch+n tiu chu1n Chu u cho thit k kt c2u thp
Ch+n Loads t cy h6p tho*i
Autodesk Robot Structural Analysis Professional 2010 page: 35
Code combinations: EN 1990:2002 Ch2p nh7n c4nh bo vb thay ?i tiu chu1n OK Ch2p nh7n c4nh bo vb tiu chu1n thay ?i
Ch+n tiu chu1n Chu u cho tJ 6ng t? hp t4i t+ng tiu
chu1n
Ch2p nh7n cc thng s] theo sau v ng h6p tho*i Job preferences Ch2p nh7n c4nh bo tiu chu1n thay ?i
3.1.2 Structural Axis Definition
Geometry menu / Axis definition On the X tab: Position: {0} Number of Repetitions: {2} Distance: {6}
Numbering: 1, 2, 3 ...
LMC nt Insert
LMC tab Z Trn tab Z: Position: {0.0}
Numbering: A, B, C ...
LMC nt Insert
Position: {3.6}, Insert
Position: {6.0}, Insert
Position: {7.2}, Insert
Apply, Close
BHt Iu nh ngha h trDc kt c2u. H6p tho*i Structural Axis hin th trn mn hnh
Xc nh thng s] trDc jng kt c2u
TrDc jng c xc nh v nh7p vo tr!ng Defined axes
BHt Iu xc nh thng s] c&a trDc ngang kt c2u
Xc nh thng s] trDc ngang kt c2u
TrDc ngang Iu tin c xc nh v nh7p vo tr!ng Defined axes
Cc trDc cn l*i c xc nh v nh7p vo tr!ng Defined axes
H trDc kt c2u c t*o ra v ng h6p tho*i Structural Axis. H trDc kt c2u hin th trong hnh bn di c xu2t hi n trn mn hnh.
page: 36 Autodesk Robot Structural Analysis Professional 2010
3.1.3 )nh ngha ph-n tU
Geometry / Properties / Sections
Ch+n New section definition icon. Ch+n Irsection family, trong tr!ng Section ch+n tit di n IPE 240, Add HEA 300, Add HEA 240, Add Close (h6p tho*i New Section) Close (h6p tho*i Sections )
Ch+n Bars icon t thanh cng cD m hnh kt c2u LMC trong tr!ng Bar type v ch+n lo*i: Column LMC tr!ng Beginning ( mu nbn si thay ?i sang xanh) Chd vo mn hnh hin th hoc g im Iu v cu]i c&a thanh (0,0) (0,6), Add (12,0) (12,6), Add
M9 h6p tho*i Sections
M9 h6p tho*i New Section
Xc nh cc tit di n sau: IPE 240, HEA 240 and HEA 300
ng h6p tho*i Sections v New Section
M9 h6p tho*i Bars
Ch+n thu6c tnh c&a thanh thit k. Tr!ng Section si hin th tit di n nh ngha gIn y HEA 240
BHt Iu xc nh thanh trong kt c2u (c6t kt c2u)
Xc nh v tr c&a thanh trn !ng kt c2u t*o vi s] 1 v 3 (trong kho4ng ArC)
Autodesk Robot Structural Analysis Professional 2010 page: 37
LMC trong tr!ng Section v ch+n tit di n HEA 300 LMC trong tr!ng Beginning (mu nbn c&a tr!ng thay ?i thnh xanh) Chd vo mn hnh hin th hoc g im Iu v cu]i c&a thanh (6,0) (6,3.6), Add LMC trong tr!ng Bar type v ch+n lo*i: Beam LMC trong tr!ng Section v ch+n tit di n IPE 240 LMC trong tr!ng Beginning (mu tr!ng thay ?i thnh xanh) Chd vo mn hnh hin th hoc g im Iu v cu]i c&a thanh (6.0,3.6) (12.0,3.6), Add Close View menu / Display tab Bars, b7t lJa ch+n Section A shape Apply
Ch+n HEA 300 nh tit di n hi n hnh
BHt Iu xc nh thanh trong kt c2u (c6t gia)
Xc nh v tr c&a thanh trn !ng kt c2u t*o vi s] 2 (trong kho4ng ArC)
Ch+n thu6c tnh c&a thanh thit k
Ch+n IPE 240 nh tit di n hi n hnh
BHt Iu xc nh thnah trong kt c2u (1 dIm gia cc c6t)
Xc nh v tr c&a thanh trn !ng kt c2u t*o t B ( trong kho4ng 2r3)
ng h6p tho*i Bars
M9 h6p tho*i Display
page: 38 Autodesk Robot Structural Analysis Professional 2010
3.1.4 )nh ngha th2 vi4n k6t c7u
tab Nodes, b7t lJa ch+n Node numbers tab Structure, tHt lDa ch+n Structural axis Apply, OK
Ch+n Library Structure icon t thanh cng cD m hnh kt c2u LMC (2 lIn) biu tng (biu tng Iu tin 9 hng cu]i) Trn tab Dimensions LMC trong tr!ng Length L {12} LMC tr!ng Height H {1.2} LMC lJa ch+n: Moments Released: No LMC trn tab Sections ; T2t c4 thanh cnh (trn v di) gn (DCED 90x10) v thanh xin,jng gn (CAE 70x7) LMC tab Insert LMC tr!ng Insertion point Ch+n nt thj 2 trong khung nhn c&a h t+a 6 (0, 0, 6)
Apply
OK
M9 h6p tho*i Typical Structures v bHt Iu nh ngha th vi n kt c2u
Ch+n gin tam gic c&a lo*i 1. H6p tho*i Merge Structure hin th trn mn hnh trong thng s] gin c th c xc nh
Xc nh 6 di gin (n cng c th xc nh t mn hnh trong khung nhn hin th)
Xc nh chibu cao gin (n cng c th xc nh t mn hnh trong khung nhn hin th)
Gn tit di n cc thanh gin
Xc nh im bHt Iu c&a gin
Xem nh d li u c nh7p vo, c th hi u chdnh d li u
T*o xong gin v ng h6p tho*i Merge Structure . Kt c2u c nh ngha hin th nh hnh di
Autodesk Robot Structural Analysis Professional 2010 page: 39
3.1.5 Thm nt phW trA
Edit menu / Divide
Trong tr!ng Division LMC in distance
Trong tr!ng Distance from the top nh7p gi tr 3.6 (m) Chuyn sang khung nhn v chd chu6t tri, click ln c6t tri t*i chn c6t (thanh 1) Close
M9 h6p tho*i Division
Ch+n cch xc nh im chia c chn vo qua t+a 6 trn 6 di thanh
nh im chn ni nt phD c chn vo
Chd ln thanh chia. Ch : nu kho4ng chia xc nh qua t+a 6 trn 6 di thanh, ch rBng t+a 6 c tnh ton t im bHt Iu thanh khi chd chu6t
ng h6p tho*i Division
3.1.6 )nh ngha gi > thanh
Geometry menu / Additional Attributes / Brackets LMC trn tr!ng vi danh sch nh ngha thu6c tnh, ch+n gi tr mc nh Bracket_ 0.1x1 Di chuyn sang khung hin th; chd vo im bHt Iu v cu]i c&a dIm (s] 4)
Close
M9 h6p tho*i Brackets
Selects the bracket type (it will be highlighted)
Xc nh gi trn im Iu v cu]i c&a dIm
ng h6p tho*i Brackets
page: 40 Autodesk Robot Structural Analysis Professional 2010
3.1.7 )nh ngha g
Ch+n Supports icon t thanh cng cD m hnh kt c2u Trong h6p tho*i Supports ch+n g]i Fixed (ngm) Chuyn sang khung hin th v ch+n nt 1 (nt di cng c6t bin) Trong h6p tho*i Supports ch+n g]i Pinned (g]i tJa) Chuyn sang khung hin th ch+n nt 3 v 5 (nt di c&a cc c6t cn l*i) Close
M9 h6p tho*i Supports
Ch+n lo*i g]i l ngm ( n si hi n sng)
Gn g]i t*i nt 1.
Ch+n lo*i g]i l g]i tJa ( n si hi n sng)
Gn g]i t*i nt 3 v 5
ng h6p tho*i Supports
3.1.8 )nh ngha khuy6t tYt hnh hEc
Geometry menu / Additional Attributes / Geometrical Imperfections
Ch+n Definition of a new type of geometrical imperfection icon. Trong tr!ng Label g During_Assembly THt lJa ch+n Automatic B7t lJa ch+n UserAdefined B7t lJa ch+n Absolute Nh7p gi tr 5 (cm) Add, Close LMC trong tr!ng vi danh sch nh ngha thu6c tnh, ch+n lo*i khuyt t7t mc nh (Automatic) Chuyn sang khung nhn, ch+n thanh s] 1 (c6t tri) LMC trong tr!ng vi danh sch nh ngha thu6c tnh, ch+n lo*i khuyt t7t nh ngha During_Assembly Chuyn sang khung hin th; ch+n thanh di c&a gin (thanh s] 5)
M9 h6p tho*i Geometrical Imperfections
M9 h6p tho*i Imperfection definition
Xc nh thng s] c&a lo*i khuyt t7t mi vi gi tr vng l ch bBng 5cm
Xc nh khuyt t7t v ng h6p tho*i Imperfection definition
Ch+n lo*i khuyt t7t ( n si hi n sng)
Xc nh khuyt t7t (khuyt t7t tJ ng theo EC3) cho c6t
Ch+n lo*i khuyt t7t ( n si hi n sng)
Xc nh khuyt t7t (nh ngha b9i ng!i dng) cho thanh di c&a gin
Autodesk Robot Structural Analysis Professional 2010 page: 41
Close ng h6p tho*i Geometrical Imperfections
3.1.9 )nh ngha cc tr2@ng hAp tBi
Di thanh tr*ng thi
Loads menu / Load Types
LMC nt New
LMC tr!ng Nature : Live (Live 1) LMC nt New LMC nt Close
PhDc hXi ci t hin th mc nh
M9 h6p tho*i Load Types
inh ngha tr!ng hp t4i tJ nhin: tnh t4i v tn chu1n DL1
Ch+n tr!ng hp t4i: live
nh ngha tr!ng hp t4i tJ nhin: ho*t t4i vi tn chu1n LL1
ng h6p tho*i Load Types
3.1.10 )nh ngha tBi trEng cho cc tr2@ng hAp tBi
Ch+n t4i tr+ng s]. 1 r t4i tr+ng b4n thn DL1.
Ch+n 1: DL1
Loads menu / Load Definition
Ch+n tab Bar Values: pZ: {r3} (kN/m), Add LMC tr!ng Apply to r nh7p thanh bao ngoi : 1 2 6 7 Apply
Ch+n 2: LL1 Ch+n tab Node
Load parameters, X: {10} (kN) Z: {r100} (kN) LMC nt Add trong phIn di c&a h6p tho*i
M9 h6p tho*i Load Definition .
Ch+n Uniform load.
nh ngha gi tr t4i tr+ng phn b] bu trn thanh
Xc nh t4i tr+ng phn b] bu trn thanh c chd nhr n m hnh tr+ng lng t!ng v mi lp
Xc nh t4i tr+ng p dDng cho danh sch cc thanh
Ch+n tr!ng hp ho*t t4i LL1.
Ch+n lo*i t4i Nodal Force
Xc nh gi tr t4i tr+ng t*i nt.
page: 42 Autodesk Robot Structural Analysis Professional 2010
Chuyn sang khung nhn hin th kt Xc nh nt t4i tr+ng ni m hnh t4i tr+ng cIu trDc di chuyn C2u v chd chu6t ch+n bn trn. (LMC) nt. 6 v 18 Close ng h6p tho*i Load Definition
3.1.11 TBi trEng to b\i tuy6t/gi
Loads menu / Special loads / Wind and Snow 2D/3D n nt Auto Trong Total depth : 30, Trong Bay spacing : 6 (m) n nt Parameters Generate, OK ng h6p tho*i ch tnh ton Close
M9 h6p tho*i Snow and Wind 2D/3D
TJ 6ng t*o !ng bao bn ngoi kt c2u cho t4i tr+ng t*o b9i gi/tuyt
M9 h6p tho*i thm vo (Snow/Wind Loads 2D/3D) trong thng s] chi tit c xc nh. Thng s] mc inh si c ch2p nh7n .
n nt ny bHt Iu t*o t4i tr+ng do tuyt/gi vi thng s] mc nh. Trn mn hnh ch tnh ton si hin th th]ng s] gi tr cc tr!ng hp t4i tuyt v gi
Tr!ng hp t4i mi c t*o ra (t4i tr+ng gi v tuyt)
ng h6p tho*i Snow and Wind 2D/3D
3.1.12 To t^ ng tiu chuTn t_ hAp tBi trEng
Loads menu / Automatic Combinations Ch+n Full automatic combinations More > Trn tab Combinations tHt lJa ch+n ACC v FEU Generate
M9 h6p tho*i Load Case Code Combinations theo EN 1990:2002.
Ch+n lJa ch+n ny v click OK t*o t? hp Iy & sau khi tnh ton tnh kt c2u .
ng h6p tho*i tiu chu1n t? hp t4i tr+ng v nh ngha t? hp t4i tr+ng .
3.2 Phn tch k*t c:u v ki2m tra k*t qu#
Analysis menu / Calculations Ch*y tnh ton. Results menu / Stresses M9 b4ng jng su2t thanh.
Autodesk Robot Structural Analysis Professional 2010 page: 43
LMC tab Global extremes b] tr di di n tch b4ng.
LMC trong gc b4ng trn cng File menu / Save Nh7p tn cho file , v dD. Frame_EC3 LMC nt Save
3.3 Phn tch n hdiAdeo
Calculates maximal stresses in bars.
ng b4ng.
M9 h6p tho*i lu.
Lu nh d*ng mc inh: RTD.
Lu v dD.
Trong phIn b? sung, phn tch sJ va 7p ngEu nhin vi c6t x9ng b9i cIu trDc di chuyn bn trn. Trong tr!ng hp ny, phn tch trong gii h*n n hXi si c xem xt.
3.3.1 Thay _i )nh ngha cc tr2@ng hAp tBi trEng
Loads menu / Load Types
LMC nt Delete all
LMC nt New
Close Loads menu / Load Definition
Load parameters, X: {120} (kN) Z: {0} LMC nt Add 9 di b4ng h6p tho*i Chuyn sang khung hin th kt c2u v (LMC) ch+n nt s] 18 Close
M9 h6p tho*i Load Types
Xa t2t c4 cc tr!ng hp t4i
nh ngha tr!ng hp t4i vi t4i tJ nhin mc nh v tn chu1n DL1
ng h6p tho*i Load Types
M9 h6p tho*i Load Definition .
Ch+n lo*i t4i Nodal Force .
Xc nh gi tr t4i tr+ng t*i nt.
Xc nh t4i tr+ng nt n m hnh t4i tr+ng ngEu nhin kt qu4 t sJ chuyn 6ng c&a cIu trDc bn trn.
ng h6p tho*i Load Definition .
page: 44 Autodesk Robot Structural Analysis Professional 2010
3.3.2 Phn tch k6t c7u
Analysis menu / Calculations nh v con tr chu6t vo c6t bin (thanh 1) 9 n si hi n sng, RMC Object Properties Ch+n tab Code check Close
Ch*y tnh ton
M9 menu ng c4nh trong khung nhn kt c2u.
Kch ho*t lJa ch+n Bar properties chja thng tin vb thanh s] .1.
ThJc hi n thit k n gi4n thanh thp. Nh b*n th2y, n khng tha mn ibu ki m kim tra theo tiu chu1n .
ng h6p tho*i Bar properties .
3.3.3 Thay _i ti6t di4n thanh cho phn tch n hbiFdco
Ch+n Bar Sections icon t thanh cng cD m hnh kt c2u. LMC vo HEA 240 trn danh sch
Ch+n New section definition icon. LMC d2u tch c*nh nt ElastoA plastic analysis Add, Close Chuyn sang khung nhn hin th kt c2u v ch+n (LMC) cc c6t bin (thanh s]. 1, 2) Trong h6p tho*i Sections LMC vo IPE 240 trong dnh sch
Ch+n New section definition icon. LMC d2u tch c*nh nt ElastoA plastic analysis Add, Close Chuyn sang khung nhn hin th kt c2u v ch+n (LMC) dIm (thanh s]. 4) Close trong h6p tho*i Sections
M9 h6p tho*i Sections
Ch+n tit di n hi n dng
M9 h6p tho*i New Section vi tit di n HEA 240 c ch+n
B7t phn tch n hXirdAo cho tit di n c ch+n. 1 tit di n mi vi tn c gn: HEA 240EP
nh ngha tit di n HEA 240EP, ng h6p tho*i New Section .
Thay ?i tit di n thanh c chd nh thnh tit di n HEA 240EP . Ch2p nh7n c4nh bo vb thay ?i c th a kt qu4 sang tr*ng thi not available. Ch+n tit di n hi n dng
M9 h6p tho*i New Section vi tit di n IPE 240 c ch+n
B7t phn tch n hXirdAo cho tit di n c ch+n. 1 tit di n mi vi tn c gn: IPE 240EP
nh ngha tit di n IPE 240EP, ng h6p tho*i New Section .
Thay ?i tit di n thanh c chd nh thnh tit di n IPE 240EP .
ng h6p tho*i Sections .
Autodesk Robot Structural Analysis Professional 2010 page: 45
3.3.4 Phn tch k6t c7u v kidm tra k6t quB
Analysis menu / Calculations
Results menu / Displacements
LMC tab Global Extremes
File menu / Save as Trong File name nh7p tn cho v dD e.g.
Frame_EC3_EP
LMC nt Save button
Ch*y tnh ton.
M9 b4ng chuyn v nt.
Tnh ton chuyn v ln nh2t t*i nt (nhn nh hnh di). Nh b*n nhn th2y, mc d lm vi c 9 giai o*n dAo nhng kt c2u vEn ?n nh .
M9 h6p tho*i lu.
Lu vi d*ng mc nh r RTD.
Lu v dD.
page: 46 Autodesk Robot Structural Analysis Professional 2010
4. T#i trng di chuy2n khung 2D V dD ny gii thi u cch nh ngha, phn tch v thit k 1 khung 2D n gi4n (nhn nh hnh bn di), vi 1 t4i tr+ng di chuyn c nh ngha. n v: (m) v (kN).
3 tr!ng hp t4i tr+ng si c gn cho kt c2u (tr+ng lng b4n thn v 2 tr!ng hp t4i: gi v tuyt, biu dien nh hnh di). Thm na,1 t4i tr+ng di chuyn si c gn cho kt c2u
LOAD CASE 2 LOAD CASE 3
MOVING LOAD CASE
Nhng nguyn tHc sau y si c p dDng trong su]t qu trnh nh ngha kt: b2t k k tJ biu tng no ngha l biu tng thch hp si c 2n vi nt chu6t tri ( x ) c gi tr c ch+n l x trong h6p tho*i hoc nh7p gi tr x LMC v RMC r nhng ch vit tHt cho Click chu6t tri v Click chu6t ph4i. RSAP r vit tHt cho Autodesk Robot Structural Analysis Professional.
Trong thj tJ bHt Iu nh ngha kt c2u, nn ch*y chng trnh RSAP (2n biu tng thch hp hoc ch+n dng l nh thch hp t toolbar). Sau , si xu2t hi n trn mn hnh 1 h6p tho*i, ch+n biu tng Iu tin 9 hng Iu tin (2D frame ).
CH : D) li*u ti+t di*n Chu u (French) (CATPRO) 0c s1 d2ng trong v d2 ny.
Autodesk Robot Structural Analysis Professional 2010 page: 47
4.1 6nh ngha m hnh
TIaN TRNH THPC HIRN
Ch+n Axis Definition t thanh cng cD m hnh kt c2u. Trong tab X: Position: {0} Number of repetitions: {4} Distance: {3}
Numbering: A, B, C ...
LMC nt Insert
LMC trong tab Z Trong tab Z : Nh7p lin tip cc t+a 6 sau: {0}, Insert {3}, Insert {5}, Insert {6.5}, Insert
Numbering: 1, 2, 3 ...
Apply, Close
MIU TT
BHt Iu nh ngha h trDc kt c2u. h6p tho*i Structural axis xu2t hi n trn mn hnh.
Xc nh thng s] trDc ng kt c2u.
TrDc jng c xc nh v a vo tr!ng Set of defined axes .
BHt Iu nh ngha thng s] trDc ngang kt c2u.
Xc nh thng s] trDc ngang kt c2u.
T*o xong h trDc kt c2u v ng h6p tho*i Structural axis .
4.1.1 Member Definition
Ch+n Bar Selections icon t thanh cng cD
Ch+n New Selection Definition icon Ch+n nhm Irsection trong tr!ng Section v ch+n theo nhng tit di n sau: HEA 200, HEA 260 v IPE 200
Add, Close
Close
Ch+n Bars icon t thanh cng cD m hnh LMC trong tr!ng BAR TYPE: Column LMC trong SECTION v ch+n lo*i tit di n: HEA 260
M9 h6p tho*i Sections
M9 h6p tho*i New sections
nh ngha tit di n mi v ng h6p tho*i New sections
ng h6p tho*i Sections
M9 h6p tho*i Bars
Ch+n thu6c tnh thanh
page: 48 Autodesk Robot Structural Analysis Professional 2010
LMC trong tr!ng Beginning (mu c&a nbn thay ?i sang xanh) C6t 1 r gia li A1rA3, vi t+a 6 nh sau: Beginning: (0,0) End: (0,5) C6t 2 r gia li E1rE3, vi t+a 6 nh sau: Beginning: (12,0) End: (12,5)
C6t 3 r gia li C1rC2, vi t+a 6 nh sau: Beginning: (6,0) End: (6,3) Close
BHt Iu xc nh thanh kt c2u ( cc c6t kt c2u)
Xc nh c6t kt c2u. Hnh di th hi n kt c2u c t*o n th!i im ny .
ng h6p tho*i Bars
4.1.2 )nh ngha th2 vi4n k6t c7u (1 mi v 1 d-m c-u trWc di chuydn trn)
Ch+n Library Structure icon t thanh cng cD m hnh
LMC ( p) biu tng ( thj 1 9 hng di) Trong tab Dimensions LMC trong tr!ng Length L {12} LMC trong tr!ng Height H {1.5}
M9 h6p tho*i Typical structures v bHt Iu nh ngha th vi n kt c2u (mi).
Selects the triangular truss of type 1. On screen, there appears the Merge structure dialog box where one may define truss parameters
Xc nh chibu di gin (c th xc nh trong khung nhn hin th)
Xc nh chibu cao gin (c th xc nh trong khung nhn hin th)
Autodesk Robot Structural Analysis Professional 2010 page: 49
LMC trong tr!ng Number of fields {8} LMC trn tab Sections ; T2t c4 thanh bin ( trn v di) gn (DCED 90x10) v thanh xin,jng gn (CAE 70x7) LMC trong tab Insert LMC trong tr!ng Insertion point ch+n im A3 vi t+a 6 nh sau: (0,0,5) Apply, OK Geometry menu / Releases LMC trn lo*i gi4i phng lin kt: PinnedAFixed LMC trn tr!ng Current selection, chuyn sang khung nhn v chd ch+n thanh jng cao nh2t 9 gin (trong dnh mi) bBng cch di con tr chu6t trn phIn t@. Close
Ch+n Library Structure icon t thanh cng cD m hnh. ( icon thj 3 trong hng 2) LMC ( p) vo icon
Trn tab Dimensions LMC tr!ng Length L {12} LMC tr!ng Height H {1.0} LMC trong tr!ng Number of fields {8} LMC trn tab Sections ; T2t c4 thanh bin ( trn v di) gn (DCED 90x10) v thanh xin,jng gn (CAE 70x7) LMC trong tab Insert LMC trong tr!ng Insertion point v ch+n im theo t+a 6 sau (0,0,2)
Xc nh s] kho4ng chia m gin c chia thnh
Gn tit di n cho thanh gin.
Xc nh v tr im chn kt c2u
T*o kt c2u 9 v tr thch hp bn trong khung kt c2u v ng h6p tho*i Merge structure
M9 h6p tho*i Releases
Ch+n lo*i gi4i phng lin kt gn cho thanh gin
Ch+n thanh gin; Ch : lu mi tn ci xu2t hi n sng trn thanh ginr khi a chu6t ln thanh, mi tn ph4i c hng ln (hng c&a lin kt gi4i phng r2t quan tr+ng: t*i in nt Iu l lin kt khp, cn l*i im thj 2 lin kt ngm c gn)
ng h6p tho*i Releases
M9 l*i h6p tho*i Typical structures v bHt Iu nh ngha t th vi n kt c2u ( di chuynr dIm cIu trDc).
Ch+n gin ch nh7t lo*i 3. Trn mn hnh, xu2t hi n h6p tho*i Merge structure ni c th xc nh cc thng s] cho dn
Xc nh chibu di gin (c th xc nh trong khung nhn hin th)
Xc nh chibu cao gin (c th xc nh trong khung nhn hin th) Xc nh s] kho4ng chia gin
Gn tit di n thanh gin
Xc nh im chn kt c2u gin
page: 50 Autodesk Robot Structural Analysis Professional 2010
Apply, OK Ch+n thanh jng bn c&a cIn trDc gin di chuyn v thanh jng gia (nh hnh) thanh si hi n sng (thanh 108, 112 v 116) n nt Delete trn bn phm Ch+n No, delete only the selected bars v 2n nt Apply
T*o kt c2u 9 v tr thch hp bn trong khung kt c2u v ng h6p tho*i Merge structure
Xa nhng thanh c ch+n
4.1.3 )nh ngha g
Ch+n Supports icon t thanh cng cD m hnh LMC trong tr!ng Current selection trn tab Nodal Sang khung nhn; khi di chu6t tri v 2n, ch+n c@a s? t2t c4 cc nt di c&a c6t (cc im nBm 9 cao trnh trDc 1) Trong h6p tho*i Supports , ch+n biu tng g]i ngm (n si hi n sng) Apply Close
M9 h6p tho*i Supports
Ch+n nt kt c2u si c gn g]i
Ch+n nt (1 3 5) si c chn trong tr!ng Current selection .
Ch+n lo*i g]i
G]i c ch+n si c gn cho nt kt c2u.
ng h6p tho*i Supports
Autodesk Robot Structural Analysis Professional 2010 page: 51
4.1.4 )nh ngha tBi trEng k6t c7u
Ch+n RSAP layout ci cho php ng!i dng nh ngha cc tr!ng hp t4i
LMC trong RSAP layout ch+n Structure model / Loads Layout LMC nt New trong h6p tho*i Load types LMC trong Nature : Wind LMC nt New LMC trong Nature Snow LMC nt New LMC tr!ng 2 trong c6t CASE v ch+n tr!ng hp t4i 2nd WIND1 LMC tr!ng trong c6t LOAD TYPE v ch+n t4i tr+ng phn b] bu LMC tr!ng trong c6t LIST v ch+n sang khung hin th kt c2u c6t tri LMC tr!ng trong c6t "PX=" v g gi tr 5.0 LMC tr!ng 3 trong c6t CASE v ch+n tr!ng hp t4i thj 3: SN1 LMC tr!ng trong c6t LOAD TYPE v ch+n t4i tr+ng phn b] bu LMC tr!ng trong c6t LIST v ch+n sang khung nhn hin th thanh bin trn c&a gin mi LMC tr!ng trong c6t "PZ=" v nh7p gi tr: r3.0
trong RSAP layout ch+n Structure Model / Start Layout
nh ngha theo tr!ng hp t4i: nature: dead (selfrweight) standard name: DL1
Ch+n tr!ng hp t4i: wind
nh ngha theo tr!ng hp t4i: nature: wind
standard name: WIND1
Ch+n tr!ng hp t4i: snow
nh ngha theo tr!ng hp t4i: nature: snow standard name: SN1
Tr+ng lng b4n thn tJ 6ng c gn cho ton b6 thanh kt c2u 9 hng Iu tin (hng "rZ)
nh ngha t4i tr+ng cho tr!ng hp t4i thj 2
Ch+n lo*i t4i tr+ng
Ch+n thanh si c gn t4i tr+ng lJc t*i nt (thanh 1)
Ch+n hng v gi tr t4i tr+ng
nh ngha t4i tr+ng cho tr!ng hp t4i thj 3
Ch+n lo*i t4i tr+ng
Ch+n thanh si c gn t4i tr+ng phn b] bu (thanh s] 5 v 6)
Ch+n hng v gi tr t4i tr+ng phn b] bu
Ch*y layout Iu tin c&a RSAP
page: 52 Autodesk Robot Structural Analysis Professional 2010
4.1.5 )nh ngha tBi trEng di chuydn v p dWng cho k6t c7u
Tools menu / Job Preferences LMC lJa ch+n Databases / Vehicle loads
Ch+n Create a new database icon.
G: Trong Database : USER Trong Database name : Userrdefined database Units: length r (m)
force r (kN)
Create
OK
Loads menu / Special loads / Moving
Ch+n New vehicle icon.
LMC nt New G tn ln: Moving crane, OK LMC dng Iu tin trong b4ng b] tr phIn th2p c&a h6p tho*i Ch+n lo*i t4i tr+ng: lJc t7p trung (concentrated force) F = 30, X = r1.2, S = 0 LMC !ng tip theo trong b4ng t*i phIn di c&a h6p tho*i Ch+n lo*i t4i tr+ng: lJc t7p trung (concentrated force) F = 30, X = 0.0, S = 0 LMC !ng tip theo trong b4ng t*i di na c&a h6p tho*i Ch+n lo*i t4i tr+ng: lJc t7p trung (concentrated force) F = 30, X = 1.4, S = 0
M9 h6p tho*i Job Preferences
Ch+n lJa t cy th mDc bn tri c&a h6p tho*i
n Create a new database icon m9 h6p tho*i New Moving Load
nh ngha d li u ng!i dng
ng h6p tho*i New Moving Load
ng h6p tho*i Job Preferences
M9 h6p tho*i Moving Loads
M9 h6p tho*i Moving Loads v bHt Iu xc nh 1 ln xe mi Xc nh ln xe mi
Xc nh tn ln mi v ng h6p tho*i New vehicle
Xc nh lJc tc 6ng
Ch+n lo*i t4i tr+ng
Xc nh gi tr v v tr lJc t7p trung
Xc nh lJc tc 6ng
Ch+n lo*i t4i tr+ng
Xc nh gi tr v v tr lJc t7p trung
Xc nh lJc tc 6ng
Ch+n lo*i t4i tr+ng
Xc nh gi tr v v tr lJc t7p trung. H6p tho*i
Moving Loads hin th nh hnh di.
Autodesk Robot Structural Analysis Professional 2010 page: 53
LMC nt Save to database Ch+n USER database v OK trong h6p tho*i Moving Load Databases Add, Close Trong tr!ng Name , g tn c&a t4i tr+ng di chuyn (case 4):
moving crane load
LMC nt Define
Xc nh 2 im nh tuyn c&a ln: beginning (0,3) end (12,3) Apply, Close LMC tr!ng Step {1} Gi4 nh gi tr mc nh c&a hng (0,0,r1), ngha l t4i tr+ng tc dDng theo phng Z v hng ngc vi trDc Z LMC lJa ch+n Selection t*i tr!ng Application plane {8} LMC nt Parameters
M9 h6p tho*i Moving Load Databases
Lu ln nh ngha ti d li u ng!i dng nh ngha
Thm ln nh ngha ti danh sch ln ho*t 6ng v ng h6p tho*i Moving Loads
Xc nh tn c&a t4i tr+ng di chuyn
BHt Iu nh ngha tuyn c&a ln cIu trDc di chuyn: h6p tho*i Polyline F Contour c m9, vi lJa ch+n Polyline kch ho*t.
Xc nh cc tuyn ln
ng h6p tho*i Polyline F contour
Xc nh cc b7c thay ?i v tr t4i tr+ng di chuyn v hng c&a t4i tr+ng p dDng .
Ch+n mt phng t4i tr+ng tc dDng
Ch+n thanh bin trn c&a gin cIu trDc di chuyn ( thanh s] 8)
M9 h6p tho*i Route Parameters
page: 54 Autodesk Robot Structural Analysis Professional 2010
LMC tr!ng cho h s]: Coef. LR and coef. LL v g gi tr 0.1 B7t lJa ch+n sau: Vehicle position limit A route beginning Vehicle position limit A route end OK Apply, Close
4.2 Phn tch k*t c:u
Tools menu / Job Preferences
Structure Analysis
Method of Solving the System of Equations: Iterative OK
Ch+n Calculations icon t thanh cng cD chu1n
Xc nh h s] cho lJc tc dDng d+c tuyn ln chuyn 6ng. N t*o lJc c nguXn g]c t phanh xe, c gi tr bBng 0.1*F
Chuyn nhng lJa ch+n 4m b4o rBng lJc c nh ngha cho t4i tr+ng di chuyn cIu trDc ko c v tr ngoi m hnh kt c2u.
ng h6p tho*i Route Parameters
T*o tr!ng hp t4i di chuyn theo nhng thng s] v ng h6p tho*i Moving Loads .
M9 h6p tho*i Job Preferences
Ch+n lJa Structure Analysis t cy trong h6p tho*i
Ch+n phng php gi4i cc h phng trnh cho m hnh kt c2u
Ch2p nh7n kch thc gi4 nh v ng h6p tho*i Job Preferences
BHt Iu tnh ton kt c2u. Khi tnh ton xong, thanh tiu b c&a khung nhn si hin th theo thng tin sau: Results A(FEM): available.
4.3 Trnh dihn ln xe v tring h
Autodesk Robot Structural Analysis Professional 2010 page: 55 Dng (LMC nt ) v ng cng cD m phng Close
4.4 Phn tch k*t qu# LMC ch+n RSAP layout Results / Results Layout
Ch+n: 4 moving load B7t lJa ch+n My Moment trong h6p tho*i Diagrams Ch+n tab Deformation trong h6p tho*i Diagrams
B7t lJa ch+n Deformation
Apply
Dng m phng ln xe
ng h6p tho*i Case component
M9 layout RESULTS RSAP . Mn hnh ibu khin si chia thnh 3 phIn: khung nhn cha m hnh kt c2u; h6p tho*i Diagrams .v b4ng hin th gi tr ph4n lJc CH : Bcng hidn the thm vo trWng h0p tci di chuydn (tfo vgi k tN + v A) enh gi tre cka Wng bao trn v dgi, the
value of the upper and lower envelope, ring tXng ci.
Ch+n tr!ng hp t4i 4 ( t4i tr+ng cIu trDc di chuyn).
Ch+n hin th momen u]n trong kt c2u vi tr!ng hp t4i tr+ng di chuyn
Ch+n hin th bin d*ng trong kt c2u vi tr!ng hp t4i tr+ng di chuyn .
Hin th s X momen u]n v s X bin d*ng trong kt c2u. Tng tJ, c th hin th s X khc trong h6p tho*i Diagrams .
page: 56 Autodesk Robot Structural Analysis Professional 2010
Loads menu / Select Case Component
LMC nt Animation
LMC nt Start
Dng (LMC nt ) v ng cng cD m phng Close THt lJa ch+n My Moment trong h6p tho*i Diagrams Ch+n tab Deformation trong h6p tho*i Diagrams THt lJa ch+n Deformation Apply
M9 h6p tho*i Case component
M9 h6p tho*i Animation
BHt Iu ghi l*i m phng momen u]n v bin d*ng c&a kt c2u
Dng ghi l*i m phng
ng h6p tho*i Case component
Autodesk Robot Structural Analysis Professional 2010 page: 57
4.5 ing #nh hjng
Ti layout START c&a chng trnh RSAP .
LMC trong layout RSAP ch+n
Structure model / Start Layout Results menu / Advanced / Influence Line M9 tab NTM c&a h6p tho*i Influence Lines , b7t 2 lJa : My v Fz LMC trong tr!ng Element v g {8} Apply Trong tab Nodes c&a h6p tho*i Influence Lines , b7t 2 lJa ch+n : Ux v Uz LMC trong tr!ng Node v g {2} B7t lJa ch+n Open in a new window Apply RMC trong h6p tho*i Influence Lines ni !ng 4nh h9ng hin th cho nt s] 2 Add coordinates
M9 h6p tho*i Influence Lines
Ch+n hin th: momen u]n v lJc cHt cho tr!ng hp t4i di chuyn
Ch+n thanh si c hin th !ng 4nh h9ng. im c v tr (bBng 0.5) ngha l !ng 4nh h9ng si c t*o cho im gia c&a thanh .
M9 thm 1 c@a s? hin th !ng 4nh h9ng cho kh]i lng ch+n (nhn nh hnh di)
Ch+n hin th chuyn v t*i nt cho tr!ng hp t4i tr+n di chuyn .
Ch+n nt si hin th !ng 4nh h9ng .
S X !ng 4nh h9ng cho nt thj 2 si hin th trong 1 c@a s? mi .
M9 thm 1 c@a s? ni !ng 4nh h9ng c&a kh]i lng ch+n hin th .
M9 menu ng c4nh
Nu lJa ch+n c ch+n, b4ng b] tr di s X !ng 4nh h9ng si hin th thm c6t chja t+a 6 c&a im kt c2u lin tip .
page: 58 Autodesk Robot Structural Analysis Professional 2010
Autodesk Robot Structural Analysis Professional 2010 page: 59
5. T#i trng di chuy2n A khung 3D V dD ny hng dEn nh ngha, phn tch v thit k 1 khung x9ng thp n gi4n minh h+a trong hnh bn di. n v d li u: (m) and (kN).
5 tr!ng hp t4i c gn ti kt c2u v 3 trong s] biu dien trong hnh bn di
LOAD CASE 2 LOAD CASE 4
LOAD CASE 5
Nhng nguyn tHc sau y si c p dDng trong su]t qu trnh nh ngha kt: b2t k k tJ biu tng no ngha l biu tng thch hp si c 2n vi nt chu6t tri ( x ) c gi tr c ch+n l x trong h6p tho*i hoc nh7p gi tr x LMC v RMC r nhng ch vit tHt cho Click chu6t tri v Click chu6t ph4i. RSAP r vit tHt cho Autodesk Robot Structural Analysis Professional. bHt Iu nh ngha kt c2u ch*y chng trnh RSAP (2n icon thch hp hoc ch+n t l nh trong taskbar) . C@a s? m! si hin th trn mn hnh, ch+n biu tng (Frame 3D Design), Cu]i trong hng Iu tin . CH : D) li*u ti+t di*n tiu chuLn Chu u (EURO) 0c s1 d2ng trong v d2 ny.
page: 60 Autodesk Robot Structural Analysis Professional 2010
5.1 6nh ngha m hnh
enh ngha thanh k+t cnu
TIaN TRNH THPC HIRN
Structure Model / Bars Layout LMC trn tr!ng Bar Type v ch+n Column LMC trn tr!ng Section v ch+n (IPE 600) LMC trn tr!ng Beginning ( mu thay ?i sang xanh)
Nh7p t+a 6 trong tr!ng Beginning and End nh sau: (r8,0,0) (r8,0,7), Add (r8,0,7) (r8,0,14), Add LMC trn tr!ng Bar Type trong h6p tho*i Bars v ch+n Beam LMC trong tr!ng Section v ch+n: (IPE 240) LMC trong tr!ng Beginning ( mu thay ?i sang xanh) Nh7p im trong tr!ng Beginning and End nh sau: (r8,0,10) (r6,0,10), Add LMC trong tr!ng Bar Type trong h6p tho*i Bars v ch+n Simple bar LMC trn tr!ng Section v ch+n UPN 240 LMC trong tr!ng Beginning (mu nbn ?i sang xanh) Nh7p im trong tr!ng Beginning and End nh sau: (r8,0,8) (r6,0,10), Add LMC tr!ng Bar type trong h6p tho*i Bars, ch+n Simple bar LMC tr!ng Section , ch+n HEB 240
LMC tr!ng Beginning
( mu nbn thay ?i sang xanh)
MIU TT
Ch+n layout BARS t danh sch layouts hin th RSAP .
Ch+n thu6c tnh c&a thanh. D li u tit di n tiu chu1n Chu u (EURO) c s@ dDng. Ch : N+u ti+t di*n IPE 600 ko hidn the trong danh sch, chVn layout STRUCTURE MODEL / SECTION
and MATERIALS, nn icon New trong hTp thofi Sections v thm ti+t di*n tgi danh sch hi*n hnh.
BHt Iu xc nh thanh kt c2u (c6t kt c2u)
Xc nh v tr c6t kt c2u.
BHt Iu nh ngha dIm v ch+n thu6c tnh cho n. D li u tit di n Chu u (EURO) c s@ dDng. Ch : N+u ti+t di*n IPE 240 ko hidn the trong danh sch, chVn theo bgc trn.
BHt Iu nh ngha dIm kt c2u.
Xc nh 1 dIm.
BHt Iu nh ngha 1 thanh thuIn ty v ch+n thu6c tnh cho n. Tit di n t d li u tiu chu1n Chu u (EURO) c s@ dDng.
BHt Iu xc nh thanh thuIn ty trong kt c2u
Xc nh 1 thanh thuIn ty.
BHt Iu xc nh thanh v gn thu6c tnh cho n . CH : N+u ti+t di*n HEB 240 ko c trong danh sch hidn the, nn nt v lm nh)ng bgc ti+p theo nh bn trn.
BHt Iu xc nh t+a 6 thanh trong kt c2u.
Autodesk Robot Structural Analysis Professional 2010 page: 61
Nh7p t+a 6 thanh trong tr!ng Beginning and End : (r8,0,14) (0,0,16), Add
Ch+n icon Zoom All t thanh cng cD chu1n. qnh ngha gi r
LMC trn tr!ng ch+n Structure Model / Start Layout Geometry menu / Additional Attributes / Brackets
Ch+n icon New Bracket .
Trong tr!ng Length (L) nh7p gi tr 0.15; cc thng s] cn l*i ko thay ?i Add, Close LMC tr!ng Bars , chuyn sang khung nhn hin th v ch+n thanh c nh ngha gIn y (s] 5 si hin th trong tr!ng Bars ) Apply, Close
enh ngha gsi r
LMC ch+n Structure Model / Supports Layout
Xc nh 1 thanh.
PhDc hXi ch 6 xem ton mn hnh.
Ch+n layout Iu tin c&a chng trnh RSAP .
M9 h6p tho*i Brackets nh ngha gi nt khung thanh kt c2u .
M9 h6p tho*i New Bracket .
Xc nh 6 di gi
Xc nh gi mi, ng h6p tho*i New Bracket
Ch+n thanh si c gn gi .
Gn gi ti thanh c ch+n, ng h6p tho*i Brackets . Kt c2u c nh ngha hin th nh hnh di.
Ch+n layout trong RSAP cho php nh ngha g]i .
page: 62 Autodesk Robot Structural Analysis Professional 2010
Trong h6p tho*i Supports , LMC trn tr!ng Current Selection trong tab Nodal (con tr nh2p nhy trong tr!ng) Chuyn sang khung hin th; 2n nt chu6t tri ch+n nt c6t bBng c@a s? ch+n T h6p tho*i Supports ch+n biu tng g]i ngm (icon si hi n sng) Apply
LMC ch+n Structure Model / Start Layout CTRL+A
Edit menu / Edit / Vertical Mirror Sang khung hin th v ch+n trDc sao chp qua n (x = 0), LMC, Close
Ch+n icon Zoom All t thanh cng cD chu1n.
enh ngha tci trVng k+t cnu
LMC ch+n Structure Model/Loads Layout LMC nt New trong h6p tho*i Load Types .
Ch+n nt kt c2u ni g]i c xc nh.
Ch+n nt 1 si c nh7p vo trong tr!ng Current Selection .
Ch+n lo*i g]i .
Ch+n lo*i g]i c gn cho nt kt c2u ch+n.
Ch+n layout Iu tin c&a chng trnh RSAP .
Ch+n t2t c4 cc nt v thanh.
]i xjng nhng thanh ch+n.
Xc nh trDc ]i xjng sao chp v ng h6p tho*i Vertical Mirror .
Khi lJa ch+n ny c ch+n th m hnh kt c2u si hin th ton b6 . Kt c2u nh ngha hin th nh hnh di.
Ch+n layout RSAP cho php nh ngha t4i tr+ng tc dDng.
nh ngha 1 tr!ng hp tnh t4i (trong lng b4n thn) vi tn chu1n DL1.
Autodesk Robot Structural Analysis Professional 2010 page: 63
LMC trong tr!ng Nature (Wind) LMC nt New LMC nt New LMC tr!ng Nature (Snow) LMC nt New button LMC trn tr!ng thj 2 trong c6t Case c&a b4ng Loads , ch+n tr!ng hp t4i thj 2: WI
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