Civil Engineering - GATE Exam Questions - Discussion

12. 

Base course is used in rigid pavements for

[A]. prevention of subgrade settlement
[B]. prevention of slab cracking
[C]. prevention of pumping
[D]. prevention of thermal expansion

Answer: Option C

Explanation:

No answer description available for this question.

Chhaya said: (Jul 11, 2017)  
Please, anyone Explain me.

Ajit said: (Oct 2, 2018)  
Bases also help prevent sub grade soil movement due to slab pumping.

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