Civil Engineering - Soil Mechanics and Foundation Engineering - Discussion

Discussion Forum : Soil Mechanics and Foundation Engineering - Section 1 (Q.No. 1)
1.
In a liquid limit test, the moisture content at 10 blows was 70% and that at 100 blows was 20%. The liquid limit of the soil, is
35%
50%
65%
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
123 comments Page 11 of 13.

Chandu said:   6 years ago
The correct Answer is 50.1.

Avnit said:   6 years ago
Flow index = (70-20)/log(100/10) = 50.
50 = (W-20)/log(100/25).
Therefore W = 50.

Md. Suruzzaman said:   6 years ago
The water content at which soil changes from liquid limit to plastic limit is called liquid limit.

Prasantambc said:   6 years ago
70% correspond.

Linear rules:- 70-(((70-20)/(10-100))*(10-25)),
=70-8.33,
= 62.67.

Pintu kumar(Govt.poly saharsa,bihar said:   6 years ago
Given,
n1=10, w1=70%.
n2=100, w2=20%.

liquid limit(1) = 70*(100÷25)^.121 = 82.78.
liquid limit(2) = 20*(10÷25)^.121 = 17.90.

Total = (82.78-17.90) = 65%.
Ans 65%.
(2)

Hardik said:   6 years ago
How to find 4^0.12 without a calculator?
(1)

Biniam said:   6 years ago
Using interpolation the liquid limit at 25 no of blow is 61.67%.

Asutosh said:   6 years ago
Liquid Limit= W * (N/25)^0.121.

Where,

W = Water content at N blows.
N = No.of blows.

Liquid limit = 70*(10/25)^0121 = 89.55%.
Liquid Limit = 20*(100/25)^0.121 = 23.65%.
Required liquid limit = 88-23 = 65%.

Raysz said:   6 years ago
(70/20)/(10-100) = (70-W)/(10-25).
W = 61.67.

Majid said:   5 years ago
=70-50/(log100-log10)*(log25-log10).

~~ 50%.


Post your comments here:

Your comments will be displayed after verification.