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 -=-=-=
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
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.
Transcribed Image Text: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
-=-=-=
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