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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