Passive Earth Pressure An inclined wall has to retain a backfill of soil of unit weight 16 kN/m³ and angle of internal friction 25° as shown in figure. If the weight of soil in region ABC is 26 kN per meter run then active thrust on the back wall is (height =10m) A W C -P₁ G.L.

Passive Earth Pressure An inclined wall has to retain a backfill of soil of unit weight 16 kN/m³ and angle of internal friction 25° as shown in figure. If the weight of soil in region ABC is 26 kN per meter run then active thrust on the back wall is (height =10m) A W C -P₁ G.L.

Principles of Foundation Engineering (MindTap Course List)

8th Edition

ISBN:9781305081550

Author:Braja M. Das

Publisher:Braja M. Das

Chapter13: Retaining Walls

Section: Chapter Questions

Problem 13.4P

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Concept explainers

Braced cuts

The braced cut is a method of providing lateral support to the soil in foundation trenches, to prevent the trenches from deformation by the caving in of soil and resisting it from moving laterally. During shallow excavation in firm soil, generally, slopes are provided to resist the caving in of soil. During shallow excavation in soft soil and deep excavation, the chances of caving in of soil increase. Hence, it becomes necessary to make a provision to resist the deformation of trenches due to caving in of soil. The braced cut is the method used for such conditions. The excavation using braced cuts is a bit uneconomical as compared to the traditional open-cut excavation method but provides better safety than the cut excavation method.

Question

P.E. Pressure -

← Passive Earth Pressure
An inclined wall has to retain a backfill of
soil of unit weight 16 kN/m³ and angle of
internal friction 25° as shown in figure. If
the weight of soil in region ABC is 26 kN per
meter run then active thrust on the back wall
is (height =10m)
A
W
с
-P.
G.L.
XXXXXXX

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