Civil Engineering - GATE Exam Questions - Discussion
Discussion Forum : GATE Exam Questions - Section 2 (Q.No. 16)
16.
To have zero active pressure intensity at the tip of a wall in cohesive soil, one should apply a uniform surcharge intensity of
Discussion:
7 comments Page 1 of 1.
Khatana said:
9 years ago
I think it is option A.
Tulsiram said:
8 years ago
Answer is 2c tan α.
Roy said:
8 years ago
It's 2ctanα.
Sheela said:
8 years ago
How 2ctan α? please explain it.
Anu said:
7 years ago
It is correct because at the top of the wall in the cohesive soil there is a negative pressure of value 2ccot@ so to make it zero at the top a pressure of 2ccot α should be applied.
Sachin said:
7 years ago
Given answer is correct. I agree.
Bhutan said:
6 years ago
Explanation:
Pa = rzcot2α - 2c cot α + q cot2α.
For z = 0.
And, 2c cot α= q cot2α
q = 2 c tanα.
Pa = rzcot2α - 2c cot α + q cot2α.
For z = 0.
And, 2c cot α= q cot2α
q = 2 c tanα.
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