Civil Engineering - UPSC Civil Service Exam Questions - Discussion

Discussion Forum : UPSC Civil Service Exam Questions - Section 3 (Q.No. 28)
28.
Following data are given for two soil samples A and B :
Sample A : Void ratio = 1, total volume = 1 m3
Sample B : Void ratio = 2, total volume = 1 m3.
The two samples are mixed and compacted in a mould to a volume of 1 m3. Which one of the following figures correctly indicates the porosity of the compacted soil ?
17%
54%
60%
83%
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
14 comments Page 2 of 2.

Gaj said:   8 years ago
@Mukesh.

How do you get 0.83?

Aaqib said:   7 years ago
Sum of vol of solids .5+.33 = .83

Deepak said:   6 years ago
Here Vs = Vtotal/(1+e).

MallammNingappa said:   1 year ago
e = Vv/Vs
e*Vs = Vv.
V = Vs + Vv.
V = Vs + e*Vs.
V = Vs(1 + e).
Vs = V/(1 + e).


Post your comments here:

Your comments will be displayed after verification.