A retaining wall with a smooth vertical back retains silt backfill for a depth of 6m. The backfill has a horizontal surface having following properties c = 10kPa, = 20° and N y = 17k. Calculate the percentage decrement in the magnitude of thrust on the m wall when the wall is restrained against yielding to when the wall is free to yield (assume development of tension crack when wall yields). A 32.8% B 45.7% C 50.3% D 61.4%
A retaining wall with a smooth vertical back retains silt backfill for a depth of 6m. The backfill has a horizontal surface having following properties c = 10kPa, = 20° and N y = 17k. Calculate the percentage decrement in the magnitude of thrust on the m wall when the wall is restrained against yielding to when the wall is free to yield (assume development of tension crack when wall yields). A 32.8% B 45.7% C 50.3% D 61.4%
Fundamentals of Geotechnical Engineering (MindTap Course List)
5th Edition
ISBN:9781305635180
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Braja M. Das, Nagaratnam Sivakugan
Chapter14: Lateral Earth Pressure
Section: Chapter Questions
Problem 14.6P
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M for given retaining wall problem. Please provide solution with correct option. 
![A retaining wall with a smooth vertical back retains silt backfill for a depth of 6m. The
backfill has a horizontal surface having following properties c = 10kPa, = 20° and
N
y = 17k. Calculate the percentage decrement in the magnitude of thrust on the
m
wall when the wall is restrained against yielding to when the wall is free to yield (assume
development of tension crack when wall yields).
A 32.8%
B 45.7%
C 50.3%
D 61.4%](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc0e7319c-161e-45c1-8019-830e17d43218%2F5c593ffe-a608-4362-b53a-e947875e38b1%2Fwwxrwbn_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A retaining wall with a smooth vertical back retains silt backfill for a depth of 6m. The
backfill has a horizontal surface having following properties c = 10kPa, = 20° and
N
y = 17k. Calculate the percentage decrement in the magnitude of thrust on the
m
wall when the wall is restrained against yielding to when the wall is free to yield (assume
development of tension crack when wall yields).
A 32.8%
B 45.7%
C 50.3%
D 61.4%
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