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Which of the following criteria is to be satisfied in selection of member in limit state method?(a) Factored Load > Factored Strength(b) Factored Load ≤ Factored Strength(c) Factored Load ≥ Factored Strength(d) Sometimes Factored Load < Factored Strength (or) Factored Load > Factored StrengthThe question was posed to me during an interview.Origin of the question is Limit State Method topic in section Basics of Structural Design of Design of Steel Structures

Answer»

Correct CHOICE is (b) FACTORED Load ≤ Factored STRENGTH

Easy explanation: Limit Sate method is also KNOWN as load and resistance FACTOR design. Load factors are applied to service loads and then theoretical strength of member is reduced by application of resistance factor.The criteria is to be satisfied in selection of member in limit state method is factored load ≤ factored strength.



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