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The depth-to-thickness ratio of web when only transverse stiffeners are provided and c < 0.74d, where c is clear distance between stiffeners and d is depth of web is_____ to meet serviceability criteria(a) ≤ 200 εw(b) ≥ 270 εw(c) > 200 εw(d) ≤ 270 εwThe question was posed to me during an interview.This interesting question is from Proportioning of Web & Flanges topic in portion Gantry Girders, Design of Plate Girders & Industrial Buildings of Design of Steel Structures

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The correct answer is (d) ≤ 270 εw

To explain: For serviceability criteria, when only transverse STIFFENERS are provided, the depth-to-thickness ratio of web should be ≤ 270 εw when c < 0.74d and c/tw ≤ 200 εw, when 0.74d ≤ c ≤d, where c is clear DISTANCE between stiffeners and d is depth of web, εw = √(250/FYW), fyw is YIELD stress of web.



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