Consider a small 10-foot tall and 3 feet thick concrete retaining wall. The backfill behind the wall will be from local sandy gravel with a dry unit weight of 115 pcef and an angle of internal friction of 30 degrees. The wall will not have to retain water. Estimate, (a) the lateral force on the wall from the backfill in an active pressure condition, (b) its stability against overturning, and (c) its stability against sliding (use a Factor of Safety ≥ 2).

Consider a small 10-foot tall and 3 feet thick concrete retaining wall. The backfill behind the wall will be from local sandy gravel with a dry unit weight of 115 pcef and an angle of internal friction of 30 degrees. The wall will not have to retain water. Estimate, (a) the lateral force on the wall from the backfill in an active pressure condition, (b) its stability against overturning, and (c) its stability against sliding (use a Factor of Safety ≥ 2).

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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Question

Consider a small 10-foot tall and 3 feet thick concrete retaining wall. The backfill behind the wall
will be from local sandy gravel with a dry unit weight of 115 pcf and an angle of internal friction
of 30 degrees. The wall will not have to retain water.
Estimate, (a) the lateral force on the wall from the backfill in an active pressure condition, (b) its
stability against overturning, and (c) its stability against sliding (use a Factor of Safety ≥ 2).
H=10ft
pa
-Fa

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