Civil Engineering - Building Construction - Discussion

15. 

For different layers of cement concrete floor. Pick up the incorrect statement from the following :

[A]. The lowest layer consists of consolidated ground
[B]. A 10 cm thick clean sand is laid on consolidated ground
[C]. A 10 cm lime concrete (1 : 4 : 8) is laid on clean sand
[D]. A 10 cm thick cement concrete (1 : 2 : 4) is laid on top layer.

Answer: Option D

Explanation:

No answer description available for this question.

Shweta Puri said: (Mar 24, 2016)  
Answer D is right. We provide 10 cm thick layer at the top with an M15 grade of concrete.

Chauhan Munir said: (Oct 20, 2016)  
4 cm thick cement concrete (1 : 2 : 4) is laid on the top layer.

Protest Labana said: (Jan 24, 2018)  
PCC of concrete 100mm of M15.

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