A retaining wall with a smooth vertical back retains sand backfill for a depth of 6 m. The backfill has a horizontal surface and has the following properties, c' =0; ' =28°; unit weight of sand = 16 kN/m³ and saturated unit weight of sand = 20 kN/m³. Solve for the magnitude of the total thrust for the conditions given below: i. Backfill fully drained but the wall is restrained against yielding (at rest condition). ii. Backfill fully drained and the wall is free to yield (active state). iii. Wall free to yield, water table at 3 m depth and there is no drainage. iv. Determine the point of application of the resultant thrust for case (c).

A retaining wall with a smooth vertical back retains sand backfill for a depth of 6 m. The backfill has a horizontal surface and has the following properties, c' =0; ' =28°; unit weight of sand = 16 kN/m³ and saturated unit weight of sand = 20 kN/m³. Solve for the magnitude of the total thrust for the conditions given below: i. Backfill fully drained but the wall is restrained against yielding (at rest condition). ii. Backfill fully drained and the wall is free to yield (active state). iii. Wall free to yield, water table at 3 m depth and there is no drainage. iv. Determine the point of application of the resultant thrust for case (c).

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter14: Lateral Earth Pressure

Section: Chapter Questions

Problem 14.13P

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