A doubly reinforced beam is preferred when:
Choose the correct answer
The depth of the beam is unrestricted
The beam depth is restricted and the beam is under heavy bending moment
Only light shear forces act
The span is very short
Correct Answer
B. The beam depth is restricted and the beam is under heavy bending moment
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When the depth of a beam is architecturally or functionally restricted but the BM exceeds the capacity of a singly reinforced section, compression steel is added to the section, making it doubly reinforced.
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