Civil Engineering - UPSC Civil Service Exam Questions - Discussion

Discussion Forum : UPSC Civil Service Exam Questions - Section 15 (Q.No. 8)
8.
The given figure shows the relation between void ratio and shear strain for a sand under two density conditions. The void ratio corresponding to the dashed line is called
optimum void ratio
critical void ratio
residual void ratio
undisturbed void ratio
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
1 comments Page 1 of 1.

Umesh H A said:   7 years ago
The concept Dilation.

Dilation is a process in which void ratio decreases as compaction effort is increased. It occurs in over consolidation clay.
The above falling curve shows the dilation.

In case of normal consolidated clay void ratio increases as compaction effort is increased. Which shown by a rising curve.

Hence the dashed line represents a critical void ratio.

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