Civil Engineering - RCC Structures Design - Discussion


For a circular slab carrying a uniformly distributed load, the ratio of the maximum negative to maximum positive radial moment, is

[A]. 1
[B]. 2
[C]. 3
[D]. 4
[E]. 5

Answer: Option B


No answer description available for this question.

Prasanta Naskar said: (Dec 5, 2014)  
Max negative radial moment 2wr^2/16 and max positive radial moment wr^2/16. So ratio becomes 2.

Aarti Nepal said: (Jan 31, 2017)  
Thank you so much @Prasanta Naskar.

Vivek Kumar Shukla said: (Feb 9, 2017)  
How? Explain in detail.

Deep Shah said: (Jul 11, 2017)  
The Max Positive redial moment is on centre and that's the 3wr2/16.


As per your formula, the right answer is 3/2.

Please, explain it whether it is right or wrong.

Roy said: (Sep 18, 2017)  
For point load it's 3wr2/16 and for udlwr 2/16.

Narayan Adhikari said: (Nov 8, 2017)  
IT is about the fixed slab and the radial moment at centre is WR^2/16 answer at support is 2WR^2/16.

Priya said: (Nov 9, 2017)  
Positive 6WR2/16.

Negative 3WR2/16.

SO its 2.

Narayan said: (Mar 5, 2018)  
Thank you so much for all of you.

Ankesh said: (Dec 9, 2018)  
Thank you so much for explaining the solution clearly.

Kamal said: (Mar 27, 2019)  
Thanks all for explaining.

Animesh Mondal said: (Jul 27, 2020)  
For a circular slab carrying a uniformly distributed load, Max negative radial moment 2wr^2/16, the negative bending moment will occur at support. Max positive radial moment wr^2/16, the max positive bending moment will occur at centre. So the answer will be 2.

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