A singly reinforced beam has breadth b, effective depth d, depth of neutral axis n and critical neutral axis n1. If fc and ft are permissible compressive and tensile stresses, the moment to resistance of the beam, is____________________?

Civil Engineering Mcqs

A singly reinforced beam has breadth b, effective depth d, depth of neutral axis n and critical neutral axis n1. If fc and ft are permissible compressive and tensile stresses, the moment to resistance of the beam, is____________________?

(A)  bn (fc/2) (d – n/3)

(B)  Atft (d – n/3)

(C)  ½ n1 (1 – n1/3) cbd²

(D)  All the above



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