Civil Engineering - Structural Design Specifications - Discussion

36. 

The grade of plain concrete to be used in sea water or structures exposed to sea water, should be

[A]. M lO
[B]. M 15
[C]. M 20
[D]. M 30

Answer: Option B

Explanation:

No answer description available for this question.

Desinerd said: (Dec 16, 2014)  
M 15 according to IS 1978 revision. As per the latest revision in IS 2000, M 20 for PCC and M 30 for RCC is the minimum grade specified for structures exposed to sea water.

Mithu Mandal said: (Jun 22, 2016)  
Is 456-2000 M20 for pcc & M30 for RCC.

Pavan said: (Sep 17, 2016)  
M20 for pcc.

Roy said: (Sep 9, 2017)  
Clause 8.2.8. Yes PCC m20, rcc m30.

Sam said: (Jan 29, 2018)  
Pcc20 and rcc30.

Abhishek Kumar said: (Apr 10, 2018)  
For pcc M15 and for rcc M20 is the minimum grade of concrete.

Anomii said: (Sep 12, 2018)  
M20 for PCC and m30 for RCC (acc to the IS standards).

Npsinghrawat said: (Sep 27, 2018)  
M20 for PCC and m30 for RCC.

Prasanta said: (Dec 13, 2019)  
M20 for PCC and M30 for RCC.

Soumita said: (Apr 19, 2020)  
M20 for PCC & M30 for RCC.

Deependra said: (Apr 21, 2020)  
M35 for see water.

Ayush said: (Dec 21, 2020)  
M30 is the minimum grade of concrete used for liquid retaining structures.

Atanu Mandal said: (Feb 20, 2021)  
M20 is the right answer for PCC.

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