1116-003-90-AC-S-002_Rev B Pile Capacity Check Up to 25M

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Transcript of 1116-003-90-AC-S-002_Rev B Pile Capacity Check Up to 25M

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    PILE FOUNDATION DESIGN CALCULATIONS

    REFERENCE CALCULATIONS

    no(e)1)

    3597

    N

    ODE-1

    NODE-2

    NODE-3

    PILE LAYOUT

    Z-Dir

    X-Dir

    4153

    B

    A

    A

    PILE CAP PLAN PILE CAP SECTION

    C

    Y1

    F

    A

    Y2

    E

    DD

    B

    P1

    P2 P3 H

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    REFERENCE CALCULATIONS

    PILE FOUNDATION DESIGNFor Serviceability and Ultimate load Conditions, check pile capacity,

    Pile cap design and Tower leg connection design.

    SOIL PARAMETERS

    Geotechnical See Geotechnical Investigation eport !k"lama F#$, %ec &''(

    eport, %ec )'(

    1.0 PILE CAPACITY*ppendi+, ''mm %ia CF* -Contino"s Flight *"ger concrete piles &/m penetration

    Table 0.' Sa1e 2orking #oad -with Global Factor o1 Sa1ety 3 /.', S2# 3 463

    Check 3No Pile o! "3# le$%&h 'e( c)'

    Pile dimensions4

    %iameter ''

    length 3 # &/

    PILE CAP SI*ING +See Fi%,(e A1 )-oe/

    $S 5''640(57

    8./.6.& * 3 &.'

    $ 3 &.&8

    C -pile spacing 3 0.8'

    % 3 '.6'

    ! 3 '.5'

    F 3 '.5'

    9 -pile cap thickness 3 0&''.''

    DESIGN DATA

    Cover to main rein1t c 3 '

    &'

    Pile spacing not less than pile perimeter 3 x'.m 3 0.8m

    %iameter o1 main rein1t, =

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    CONSIDER NODE 1 +IN COMPRESSION/

    COMPRESSION CAPACITYSee Table *0above, 1or reaction loads

    Table:*0 86.''

    0&8.

    Table:*0 /5.''

    ;oment d"e to lateral load4

    006'6/./&

    REFERENCE CALCULATIONS

    To&)l Lo)

    *+ial, < 3 8'0.

    ;oment, ; 3 6/./&

    Co#',&e Pile Lo)

    where

    n 3 n"mber o1 piles /

    y 3 respective pile distance to centroid

    =0 3 '.(5

    =& 3 '.6(

    %iameter o1 pile 3 ''

    0.66

    S"bstit"ting as 1ollows4

    "63.30

    or &'6.6'

    463

    O2

    TENSION+PULLOUT/ CAPACITY

    Check capacity o1 1o"ndation to withstand p"llo"t d"e to tension>overt"rning l

    Consider node at ;a+im"m Tension #oad

    See Tower %esign eport sec 8.&, pg 8

    *+ial #oad, Fy3

    *dd sel1 weight o1 pile cap 3 --*@!A-'.-*AF-$:!@9@

    #ateral #oad, FB3

    Take lever arm, #a3 -9:c:>&

    ;oment, ; 3 FB@#

    a

    Pn3 -P>n A>: -; @ y>y&

    Pn3 espective pile #oad

    y&3 -y0&A -y&&A -y/& 3

    Pn3 -P>n A>: -; @ y>y&

    M)i#,# Pile Lo) P1

    Pile Sa1e 2orking #oad -S2#, Pc3

    ;a+im"m Pile #oad P0-&7/./D

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    S,##)&io$ o! Lo)

    *+ial, < 3 :667.6'7;oment, ; 3 6/./&

    Co#',&e Pile Lo)

    =0 3 '.(5

    =& 3 '.6(

    0.66S"bstit"ting above and minding the signs

    :00(./8

    or 15."5

    P& 3 P/ :0/6.0&

    or 163.71

    No&e8n A>: -; @ y>y&

    y&

    3 -y0&

    A -y&&

    A -y/&

    3

    P03

    P$e&

    3 0no pile + 085.&8 D< A &

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    Total capacity per pile cap 3 /;a+ Tensile Force

    For the pile cap

    Ultimate Upli1t -Tension capacity 3 &'&0.7'

    '.&(

    F.S. 3 &'&0.7>'.&( 4.00O2

    REFERENCE CALCULATIONS

    ".0 PILE CAP DESIGN

    Section /.00.6 For Ultimate #oad eactions

    $S500':0,0((8 See Fig"re */ and Table $0 above

    Pile cap shall be designed "sing the beam theory

    Take 1actor o1 Sa1ety F. S. 0.'

    Table $0 Check

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    where

    n 3 n"mber o1 piles /

    y 3 respective pile distance to centroid

    =0 3 '.(5

    =& 3 '.6(

    0.66S"bstit"ting as be1ore4

    394.97

    REFERENCE CALCULATIONS

    Take band width 1or pile cap, b 3 Mpile A 0' 7';a+im"m moment in pile cap as 1ollows4

    ; 3 P#>6 per band

    P 3 ma+im"m pile load 3 /(6.(

    # 3 pile spacing 3 0.8'

    ; 3 /(6.(+0.8>6 per band 078.5

    !11ective depth o1 pile cap -ass"ming &'mm %ia rods,

    Section /.6.6.6 d 3 006'

    $S500':0,0((8 '.''8(

    B 3 '.(d 3 0'5/.''

    (/7.&5

    Table /.& or 066'.6&8

    $S 500':0((8 Check ;inim"m *rea o1 steel, '.0/Jbh 3 07'.''

    P(oie Y"0 -)( > 157 ?o&&o#

    Pn3 -P>n A>: -; @ y>y&

    Pn3 #oad per pile

    y&

    3 -y0&

    A -y&&

    A -y/&

    3

    ;a+im"m Pile #oad 3 P03

    D 3 ; > b@d&@Fc"

    3

    *rea o1 steel re"ired *sre

    4

    *s-per band 3 ;>'.(@Fy@B 3

    %

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    5&

    ;a+im"m Shear 1orce per $and 3 P>& 0(8.68$S 500' Shear stress at critical section

    Sec. /.00.6./, v 3 >bd '.&8

    /...& 0''*s>bd 3 '.&6

    Table /.5 '.6'

    /.00.6.6 O2

    '.0$S 500' /.(&

    /.8.8.& 0.8

    v E &d>av @ vc O2

    No he)( (ei$!o(ce#e$& i (e,i(e

    REFERENCE CALCULATIONS

    PILE INTEGRITY

    Pile dimensions

    %iameter ''

    #enght # 3 &/

    Cross sectional *rea * 3 0(7/6(.

    0(7/

    394.97

    ?nly nominal rein1orcement is re"ired

    85./(5&

    *ss"me %ia o1 rods 3 0&

    P(oie Y1" Bi&h Y170cc Li$k

    904.5

    av 3

    65& A hp>

    vc

    3

    v-'.&8mm& E vc-'.6mm&

    av>d 3&d>a

    v

    !nhanced shear 3 &d>av @ vc

    Pile Ultimate #oad, 1p3 570+0'''>'.7+1

    c"

    6c& A 7''c : /0& 3 '

    FIGURE A/: ,ASE PLATE PLAN

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    She)( c)')ci&:

    /'Cls 7./.& 8

    $S(':04&'''

    $olt %ata /8

    Steel ;an"al 70

    Check 5 n"mber o1 $olts, n 3 5

    Total capacity 3 nP 075/CASE "8 TENSION LOADING

    Consider tension load on base d"e to load reversal

    *s be1ore, ;a+im"m Tension 3 ;a+im"m Compression

    570.'

    Table /6 0'8.7

    $S(':04&''' Tension capacity o1 bolts$olt %ata &0.//

    Steel ;an"al 70

    &'0'.7&6

    She)(

    Shear 1orce to be resisted 8

    075/7./.6.6 Check co#-i$e he)( )$ Te$io$

    $S(':04&''' Combined shear and tension

    '.67

    No; 30## Di) ?ol& '(oie O2

    Check /'mm %ia anchor bolts, 3

    Shear 1orce to be resisted Fs3

    Shear capacity o1 bolts, P 3 Ps*

    s

    Ps3 shear strength per bolt

    *s3 tensile stress area

    Ft3

    Tension carried by each bolt appro+, Ft>5

    Pt3 '.5p

    t*

    t

    *t, tensile stress area 3

    Total Capacity, nPt3

    Total Shear capacity o1 bolts, P 3 Ps*s

    Fs>P

    sA F

    t>P

    t/0.6

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    TA,LE 10: PILE ,EARING CAPACITY

    Pi+( Di#0(,(r = 400

    E- B(#ri-) C##!i,

    S6i- Fri!,i&- C##!i,

    U+,i0#,( Pi+( C##!i,

    A++&'#%+( Pi+( C##!i, S8L

    END BEA:IN;

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    S#-

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    SIN F:ICTION

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    +#(r

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    TA,LE 10: PILE ,EARING CAPACITY

    Pi+( Di#0(,(r = 400

    E- B(#ri-) C##!i,

    S6i- Fri!,i&- C##!i,

    U+,i0#,( Pi+( C##!i,A++&'#%+( Pi+( C##!i, S8L

    END ,EARING S2IN FRICTION