Civil Engineering MCQAE Level Civil Engineering
In a singly reinforced rectangular beam, the depth of neutral axis in the balanced section condition depends on:
RCCSingly Reinforced BeamMEDIUM
Choose the correct answer
A
Only the grade of concrete
B
Only the grade of steel
C
Both grade of concrete and grade of steel
D
The width of the beam only
Correct Answer
C. Both grade of concrete and grade of steel
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The balanced neutral axis depth ratio x_b/d = 87f_y/(E_s × ε_cu + 87f_y) which depends on f_y (steel grade) and ε_cu (concrete ultimate strain). It depends on both materials.
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