A 6m retaining wall is supporting a soil with the following properties: Unit weight = 16 KN/cu.m Angle of internal friction = 25º Cohesion = 14 Kpa a. Assuming no tensile cracks occurs in the soil; determine its normal pressure acting at the back of the wall. b. If tensile crack occurs in the soil, calculate its active pressure acting on the wall. c. Find the location of tensile crack measured from the surface of horizontal backfill

Principles of Foundation Engineering (MindTap Course List)
8th Edition
ISBN:9781305081550
Author:Braja M. Das
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Chapter12: Lateral Earth Pressure
Section: Chapter Questions
Problem 12.13P
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 A 6m retaining wall is supporting a soil with the following properties:
Unit weight = 16 KN/cu.m
Angle of internal friction = 25º
Cohesion = 14 Kpa
a. Assuming no tensile cracks occurs in the soil; determine its normal pressure acting at the back of the wall.
b. If tensile crack occurs in the soil, calculate its active pressure acting on the wall.
c. Find the location of tensile crack measured from the surface of horizontal backfill.

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