The design compressive strength Pd of a steel column as per IS 800:2007 is:
Choose the correct answer
A x fy / gamma_m0
Ae x fcd where fcd is design compressive stress using Perry-Robertson based curves
Ae x (0.5 fy)
A x (fy - 250)
Correct Answer
B. Ae x fcd where fcd is design compressive stress using Perry-Robertson based curves
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IS 800:2007 Cl. 7.1.2: Pd = Ae x fcd, where Ae = effective cross-sectional area, fcd = design compressive stress = (fy / gamma_m0) x chi (chi = reduction factor from buckling curves a, b, c, d based on slenderness and section type).
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