Civil Engineering - UPSC Civil Service Exam Questions - Discussion

4. 

Gross flange area for a riveted plate girder is to be designed considering net area as 80% of its gross area. Consider width of the flange as 500 mm while web plate as 1000 mm x 12 mm. The girder is to resist a maxi-mum BM of 4500 kNm. Maximum allowable bending stress in tension is 150 MPa. Gross flange area is

[A]. 22000 mm2
[B]. 35500 mm2
[C]. 46000 mm2
[D]. 73000 mm2

Answer: Option B

Explanation:

No answer description available for this question.

Santu Naskar said: (Jun 8, 2017)  
M = 4500*10^6=150*1000*(0.8Af+1000*12/8) or, Af=35625 mm^2 near to option B.

Post your comments here:

Name *:

Email   : (optional)

» Your comments will be displayed only after manual approval.