

RCC Structures Design - Engineering
Q1: If the neutral axis of a T-beam is below the slab, the relationship between the flange width B, depth of neutral axis n, thickness of the slab ds, effective depth of the beam d, gross area of tensile steel At and the modular ratio m may be stated asA ![]() B ![]() C ![]() D Bds(n - ds) = mAt(d - n)
ANS:C - When the neutral axis of a T-beam is located below the slab, it indicates that the tensile force in the beam is resisted primarily by the tensile reinforcement (steel) rather than the concrete flange. In this case, the relationship between the various parameters can be described as follows:
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