Civil Engineering - UPSC Civil Service Exam Questions - Discussion

Discussion Forum : UPSC Civil Service Exam Questions - Section 8 (Q.No. 14)
14.
Consider the following statements with ragard to crack formation and its control:
1. The surface width of the crack should not, in general, exceed 0.30 mm for structures not subjected to aggressive environment.
2. When depth of web in a beam exceeds 750 mm, side face reinforcement @ 0.1 percent of web area should be provided on each face.
3. The nominal spacing of main bars in a slab should not exceed three times the effective depth of a solid slab or 300 mm, whichever is smaller.
Which of the statements given above is/are correct ?
1 only
1 and 2
1 and 3
2 and 3
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
2 comments Page 1 of 1.

Vai said:   7 years ago
As per Clause 26.5.1.3 of IS 456:2000, side face reinforcement @ 0.1 percent of web area shall be distributed equally on two faces.

This implies that side face reinforcement on each face shall be 0.05 percent. Hence point no.2 is wrong above.

Gopu said:   7 years ago
I think the 2nd statement is also right.

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