1.

Compressive strength in lacing bars in single lacing system is equal to(a) Vt /(N secΘ)(b) Vt /(N cosecΘ)(c) Vt N cosecΘ(d) (Vt /N) cosecΘThis question was posed to me in a national level competition.The doubt is from Lacings in portion Design of Compression Members of Design of Steel Structures

Answer»

Correct choice is (d) (Vt /N) cosecΘ

The best I can EXPLAIN: Compressive strength in LACING BARS is equal to (Vt /N) cosecΘ for single lacing system and (Vt/2N) cosecΘ for double lacing system, where N = number of SHEAR resisting elements.



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