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The partial factor of safety for resistance governed by ultimate strength is :(a) 1.10(b) 1.5(c) 2.0(d) 1.25The question was asked in an online quiz.The doubt is from Limit State Method in section Basics of Structural Design of Design of Steel Structures

Answer»

Right OPTION is (d) 1.25

For explanation: Partial factor of safety for resistance GOVERNED by ultimate strength is 1.25. Factors affecting ultimate strength are stability, fatigue and plastic collapse. The loads are multiplied or RESISTANCES are divided by this factor to GET DESIGN values.



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