A 4-m-high smooth vertical wall retains a granular backfill with y = 18.0 kN/m and o' 33°, Using Rankine's earth pressure coefficients, determine the active force P, for the following cases. a. Horizontal backfill per unit fength. b. Inclined backfill with a = 10° c. Inclined backfill witha = 20°

A 4-m-high smooth vertical wall retains a granular backfill with y = 18.0 kN/m and o' 33°, Using Rankine's earth pressure coefficients, determine the active force P, for the following cases. a. Horizontal backfill per unit fength. b. Inclined backfill with a = 10° c. Inclined backfill witha = 20°

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 13.22P

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A retaining wall with vertical backfill of height 10m supports a cohesion less soil of unit weight 17.3 kN/m3 and an angle of shearing resistance =30 degree the surface is horizontal determine The magnitude of the active lateral pressure at the toe of the wall The point of application of the force The active force exerted on the wall
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A retaining wall 6m. high is to support a horizontal backfill. The upper 3m. of backfill has a unit weight of 16kN/m3, angle of friction of 30 degree. Water table is located 3m. below the ground surface and the saturated unit weight of the soil below the water tale is 19kN/m3 with an angle of friction of 36 degree. It carries a uniform surcharge of 25 kN/m2. 1. Compute the Rankine active force per unit length of the wall assuming that the wall can yeild sufficientlyto develop active state. 2. Compute the location of the resultant line of action from the bottom of the wall. 3. Compute the moment due to the resultant active force.
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