Question

A simply supported reinforced concrete beam has a width (b) of 14 inches, and an effective...

A simply supported reinforced concrete beam has a width (b) of 14 inches, and an effective depth (d) of 24 inches. It is reinforced with 3 # 8 bars. Assume 60-ksi steel and 3000-psi concrete. Determine the resisting moment (Mr) in ft-k that this beam can safely sustain.

Problem 2

The beam given in Problem 1 has a span of 21 ft. It is supposed to carry a uniformly distributed service dead load of 3.7 k/ft, in addition to its own weight, and a service live load of 4.2 k/ft over the entire span. The concrete unit weight is 150 lb/ft3.

1.What is the maximum factored moment (Mu max) for this beam?

2.Should this beam be considered safe in bending?

Engineering   Civil-Engineering   
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