A layer of saturated clay 4m thick is overlain by sand 5m deep. The water table being 3m below the surface. The saturated unit weights of the clay and sand are 19 and 20kN/m3, respectively. Above the water table, the dry unit weight of the sand is 17kN/m3 a. Find the total stress at the bottom of the clay layer. b. Find the pore water pressure at the bottom of the clay layer. c. Find the effective stress at the bottom of the clay layer
A layer of saturated clay 4m thick is overlain by sand 5m deep. The water table being 3m below the surface. The saturated unit weights of the clay and sand are 19 and 20kN/m3, respectively. Above the water table, the dry unit weight of the sand is 17kN/m3 a. Find the total stress at the bottom of the clay layer. b. Find the pore water pressure at the bottom of the clay layer. c. Find the effective stress at the bottom of the clay layer
Fundamentals of Geotechnical Engineering (MindTap Course List)
5th Edition
ISBN:9781305635180
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Braja M. Das, Nagaratnam Sivakugan
Chapter8: Stresses In A Soil Mass
Section: Chapter Questions
Problem 8.12P
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1. A layer of saturated clay 4m thick is overlain by sand 5m deep. The water table being 3m below the surface. The saturated unit weights of the clay and sand are 19 and 20kN/m3, respectively. Above the water table, the dry unit weight of the sand is 17kN/m3
a. Find the total stress at the bottom of the clay layer.
b. Find the pore water pressure at the bottom of the clay layer.
c. Find the effective stress at the bottom of the clay layer.
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