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Column calculation to EN1993-1-1 using S355 steel

Location: Gornji pojas resetke

Length: 2.3 m.

Pos Dur Load kN Factored Offset Moment y-y Moment z-z6.! 6.! 6.!

" # N $!.!! 2.%!

Total load 90.00 2.%! !.!! !.!!

Load durations: G: Dead

SECTION SIZE: 76.1 x .! "# C"S S$$&ect'on (ro(ert'es: "g) *.3cm

2 'z) 2.%+ cm

Des'gn strength, fy) 3%% Nmm2 ) !.+

/0ass'f'cat'on: ct ) *6.3.2 ) 23.+ 1) %!2 33.: /0ass , (0ast'c

Ma4or a5's: L5) .!L ) 2.3! m. &0enderness, y) 2.3! 5 !!2.%+ ) +$.M'nor a5's: Ly) .!L ) 2.3! m. &0enderness, z) 2.3! 5 !!2.%+ ) +$.

Co%pression

Des'gn a5'a0 0oad, Nd) 2.% kN

Des'gn com(ress'on res'stance, Nc,7d) ".fyM!) *.33 5 !! 5 3%%.! 5 !!! ) 26!.2 kN O8

&'cklin(

) $3.$) +$.$3.$ 5 !.+ ) .* 9/3 6.3..3

;se curuck0'ng reduct'on factor, y) = 2 - 21?@ ) !.%% 9/3 6.$

Des'gn >uck0'ng res'stance, N>,7d) y".fyM) !.%% 5 *.33 5 !! 5 3%%.! 5 !!! ) 3. kN O8 9/3 6.*

Latera0-tors'ona0 >uck0'ng check not reAu'red for c'rcu0ar ho00oB sect'ons

&endin( : N"

&aseplate calc'lation (considering axial load only)

Des'gn com(ress'on force on >ase(0ate, Nd) 2.%kN/oncrete grade /2!2%: cy0'nder strength, fck) 2! Nmm

2

/oncrete strength, fcd) cc.fckM) !.+% 5 2!.% ) .3 Nmm2/oncrete des'gn strength, f4d) 4..fcd) .3 Nmm2 ) 23C taken as .% 9&N!3* "2

M'n'mum area reAu'red ) Fcf4d) 2.% 5 !!!.3 ) !,*2mm2

ase 's s'zed as a 0arge (ro4ect'on >ase (0ate eAua0 (ro4ect'on from a00 faces of mem>er 9/3--+ 6.2.%

M'n reAu'red (ro4ect'on, c ) 2.+mm M'n'mum >ase (0ate s'ze ) 2! 5 2! mm

M'n'mum th'ckness ) c3 5 f4dfy1?@ ) *.6* mm fy) 2*% Nmm2

;se 2!! 5 *% 5 +mm &2*% >ase (0ate

Pressure on unders'de of (0ate ) 2.%!,*2 ) .3 Nmm2

end'ng stress at root of (0ate (ro4ect'on ) .3 5 2.+ 5 2.+2+ 5 +6 ) 2%3 Nmm2 O8

"s taken as .%, m'n. >ase s'ze ) .% 5 m'n (0ate s'ze ) +! 5 +! mm. - actua0 s'ze to >e determ'ned >y so'0 cond't'ons

uroeam 2.!!e !!2 2+ Dec 2!% 2:%3

&ea%: )o*njaca Span: $.+ %.

Load name Loading w1 Start x1 Loading w2 End x2 1com! 2com!

; # kro

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Ma5'mum &.F. ) -6.2 kN 6.! at 72

M'd-s(an def0ect'ons: Dead: %.!6 5 !+H 'E in N(mm2) * in cm+,L'0e %.2 Ie>: ct ) $6.6.! ) 2. 1) *2*2.!: /0ass , (0ast'c

S-ear

Des'gn shear force, Gd) 6.2 kN

&hear area, "0es 6.36. N" 2.*

L) 9L= L2-L21?@ 9/3 6.%*

L) !.%9 = LL- L,! = L2

L,!) !. ) !.*% 9/3 ;8 N" 2.*

L) fy.I(0,yMcrMcr) /2HzL2HBHz= L2#H2Hz &N!!3Iy) +.2! cm3 HB) !.!!2 dm6 H) 2.+% cm # ) +,!!!Nmm2

&egment MMa5 / kc Mcr 1- >

>

z1- >

>

L L L L, mod Mc,7d M>,7d

!.!!-%.!! *.+ .3E !.$ 2. 2.+$ .2+! .26 !.%3 !.%3 $.+ !.* O8

E / ) Mma5Mma52=Ma2=*M>2=Mc2 1) 2.% 9Ma,>,cAuarter (t moments 9Iong J Dr'

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