Civil Engineering MCQAE Level Civil Engineering
For Fe415 steel and M25 concrete, the limiting neutral axis depth ratio (x_u,lim/d) as per IS 456 Limit State Method is:
RCCBalanced SectionMEDIUM
Choose the correct answer
A
0.38
B
0.48
C
0.53
D
0.35
Correct Answer
B. 0.48
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For Fe415 (f_y = 415 MPa), x_u,lim/d = 0.48 as per IS 456:2000. For Fe250: 0.53; for Fe500: 0.46; for Fe550: 0.44.
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