Civil Engineering MCQJE Level Civil Engineering
The critical section for punching shear in a flat slab (per IS 456) is at a distance of:
RCCRCCMEDIUM
Choose the correct answer
A
d from column face
B
d/2 from the column periphery (forming a critical perimeter at d/2)
C
2d from column face
D
At column face only
Correct Answer
B. d/2 from the column periphery (forming a critical perimeter at d/2)
Why is this the answer?
IS 456 Cl. 31.6: Critical section for punching shear in flat slab is at d/2 from the periphery of the column/capital (where d = effective depth). The shear perimeter is at distance d/2 all around. Check: τv = V/(b0 × d) ≤ τc (permissible punching shear). Drop panels increase d at support.
Related RCC MCQs
More solved RCC questions for AE/JE Civil Engineering exams.
- The 'ductility' of RC structures is improved under earthquake loading by:
- For a circular RC water tank with rigid base, the hoop tension is maximum at:
- The 'end block' in a post-tensioned member is specially designed for:
- A 'shear wall' in a multi-storey RC building acts as:
- The 'minimum clear cover' for reinforcement in a RCC beam in severe exposure (IS 456) is:
- The 'torsion' in RC beams is resisted by:
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