+1 vote
in Geotechnical Engineering II by (93.7k points)
At the ground surface, there will be no passive pressure in the case of cohesive backfill.

(a) True

(b) False

I have been asked this question in semester exam.

This interesting question is from Passive Earth Pressure: Rankine’s Theory in division Failure Envelopes & Earth Pressure of Geotechnical Engineering II

1 Answer

0 votes
by (243k points)
Correct answer is (b) False

The best explanation: The passive pressure intensity is given by,

pp=Kp γz+2c tanα,

At the ground surface, z=0,

∴ pp=2c tanα.

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