ABCDEFGHIJKLMNOPQRSTUVWXYZ
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design composit column sec.
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according to ECP(205-2001)
Edition-2005
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N =588.5tDOUT =80Cm
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M =41.24m.tT=1.2Cm
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LX =1310CmDIN =77.6Cm
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AS =297.069696Cm2
for concorete filled pipes or tubing.
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AC =4729.490304Cm2C1 =1C2 =0.68
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Ar =0Cm2C3 =0.4
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Am =888.255984Cm2
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Im =453130.4582Cm4
CHECK %OF AREA STEEL:
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IX-STEEL=230632.2951Cm4AS/AC =0.06281220108
STEEL SEC.
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SX-STEEL=5765.807377Cm3
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Rm =22.58616813CmFY =3.45T/Cm2ES =2100
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RS =27.86319308CmFCU =0.35T/Cm2Ec =260
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CHECK BUCKLING:
N=ES/EC8FYR =0
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buckling length factor(k)=
1.23
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BUCKLING (K.L/rs) =
57.82897872
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CHECK STRESS:
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FYm =7.239072758fc =3.242937003
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Em =3755.729272Fca =1.981016603
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œ =0.00000545350992Fbx =0.7152510881
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FEX =4.009326735
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A1 =1.680180792Fca/FC =0.6108711336
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A1(FINAL) =1.680180792
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APPLY INTERACTION EQ. :
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(Fca/FC) +(Fbx/0.72*fy)*A1 =
1.094667889
UN-SAFE
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Prep. By Eng. / Hany talat
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