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The moment capacity of semi-compact section for V > 0.6Vd is given by

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The moment capacity of semi-compact section for V > 0.6Vd is given by

(a) Md = Zefyγm0

(b) Md = Zefy

(c) Md = fy/γm0

(d) Md = Zefy/γm0

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The origin of the question is Design Strength of Laterally Supported Beams topic in portion Design of Beams of Design of Steel Structures

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The correct option is (d) Md = Zefy/γm0

The explanation: Few I-and channel sections are semi-compact because of width-thickness ratio. The moment capacity of semi-compact section for V > 0.6Vd is given by Md = Zefy/γm0, where Ze = elastic section modulus of whole section, fy = yield stress of material, γm0 = partial safety factor.

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