A retaining vertical wall 5 m high is retaining a sand of unit weight 17 kN/m3 for which o = 35°, the surface of sand is horizontal and the water table is below the bottom of wall. The saturated unit weight of sand is 20 kN/m3. The percentage change in the active thrust on wall if water table rises to ground level is

A retaining vertical wall 5 m high is retaining a sand of unit weight 17 kN/m3 for which o = 35°, the surface of sand is horizontal and the water table is below the bottom of wall. The saturated unit weight of sand is 20 kN/m3. The percentage change in the active thrust on wall if water table rises to ground level is

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 14.7P

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Q.9 A smooth retaining wall is 4 m high and supports a cohesive backfill with a unit weight of 17 kN/m3. The shear strength parameters of the soil are cohesion =10 kPa and Ø = 10°. Calculate the total active thrust acting against the wall and the depth to the point of zero lateral pressure
A braced wall is shown in Figure 14.20. Given: H = 7 m, naH = 2.8 m, =30, =20, = 18 kN/m3, and c = 0. Determine the active thrust, Pa, on the wall using the general wedge theory. Figure 14.20
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