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The design compressive strength in terms of stress reduction factor is given by(a) Xfy(b) Xfy / γm0(c) X /fy γm0(d) Xfy γm0This question was posed to me by my college director while I was bunking the class.My question is from Design of Compression Members in portion Design of Compression Members of Design of Steel Structures

Answer» RIGHT ANSWER is (b) Xfy / γm0

The explanation is: The DESIGN compressive STRENGTH in terms of stress reduction factor is given by fcd = Xfy / γm0 , where X = stress reduction factor for different buckling class, slenderness ratio and yield stress = 1/ [φ + (φ^2-λ^2)^0.5], fy is yield stress of material and γm0 is partial SAFETY factor for material strength.


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