A smooth gravity wall retains a 12 m-high backfill as shown in the figure below. The top 8 m is sand, which is underlain by some clay. The soil properties are as follows: Sand: Ym = 18.9 kN/m³, Ysat = 19.8 kN/m³; ' = 32° Clay: Ym = 20.1 kN/m²; ' = 18°, c' = 20 kPa Assuming that the entire soil is in the active state, find the location and magnitude of the total thrust on the wall. 5 m Sand 3 m 4 m Clay Figure: Gravity Wall GL -=-=-=
A smooth gravity wall retains a 12 m-high backfill as shown in the figure below. The top 8 m is sand, which is underlain by some clay. The soil properties are as follows: Sand: Ym = 18.9 kN/m³, Ysat = 19.8 kN/m³; ' = 32° Clay: Ym = 20.1 kN/m²; ' = 18°, c' = 20 kPa Assuming that the entire soil is in the active state, find the location and magnitude of the total thrust on the wall. 5 m Sand 3 m 4 m Clay Figure: Gravity Wall GL -=-=-=
Principles of Foundation Engineering (MindTap Course List)
8th Edition
ISBN:9781305081550
Author:Braja M. Das
Publisher:Braja M. Das
Chapter15: Braced Cuts
Section: Chapter Questions
Problem 15.6P
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A smooth gravity wall retains a 12 m-high backfill as shown in the figure
below. The top 8 m is sand, which is underlain by some clay. The soil
properties are as follows:
Sand: γm = 18.9 kN/m 3
, γsat = 19.8 kN/m 3
; φ' = 32°
Clay: γm = 20.1 kN/m 3
; φ' = 18°, c' = 20 kPa
Assuming that the entire soil is in the active state, find the location and
magnitude of the total thrust on the wall.
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