A 4.5 m high retaining wall is supporting a horizontal backfill having a unit weight of 15.7 kN/m³ and a saturated unit weight of 19.3 kN/m³. Ground water table is located 3 m below the ground surface. Drained friction angle for the backfill is 30°. The wall is restrained from yielding. The soil has an over consolidated ratio of 2. 1. Compute for the total force per unit length of wall for at rest condition. y = 15.7 kN/m³ 2. Compute for the location of 3.0 m the resultant force. 3. Compute for the moment at base due to this force. 1.5 m Ysat = 19.3 kN/m³

A 4.5 m high retaining wall is supporting a horizontal backfill having a unit weight of 15.7 kN/m³ and a saturated unit weight of 19.3 kN/m³. Ground water table is located 3 m below the ground surface. Drained friction angle for the backfill is 30°. The wall is restrained from yielding. The soil has an over consolidated ratio of 2. 1. Compute for the total force per unit length of wall for at rest condition. y = 15.7 kN/m³ 2. Compute for the location of 3.0 m the resultant force. 3. Compute for the moment at base due to this force. 1.5 m Ysat = 19.3 kN/m³

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter13: Lateral Earth Pressure: At-rest, Rankine, And Coulomb

Section: Chapter Questions

Problem 13.8P

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