Answered: Taat=21 kN/m3 %3D Ta= 18 kN/m3

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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The normally consolidated clay soil will be supported by a retaining wall in active conditions. Laboratory testing of this soil revealed the following shear strength: Su = 40 kPa and c'=0, o' (friction angle )= 26° (all derived from undrained TX tests). Assume a vertical wall, no interface friction angle and GWT at the ground surface (right side only). a. Determine the total lateral earth pressure distribution for short term design (immediately after construction). b. Determine the total lateral earth pressure distribution for long term design (drained conditions). C. Discuss the magnitude differences between the two and which earth pressure provides the greatest load case for the wall, i.e., controls the wall design.

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