The soil profile shown consists of dry sand (5-m thick) which overlies a layer of clay (8-m thick). Ground water table is located at the interface of the sand and clay. The effective stress at the bottom of the clay layer was determined. If the water  taable rises to the top of the ground surface, what is the change in effective stress (kpa) at the bottom of the clay layer? For sand layer: Void Ratio= 0.83 SG= 2.68 Degree of Saturation= 0.78   For claylayer: Void Ratio= 0.89 SG=2.88

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 8.11P
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The soil profile shown consists of dry sand (5-m thick) which overlies a layer of clay (8-m thick). Ground water table is located at the interface of the sand and clay. The effective stress at the bottom of the clay layer was determined. If the water  taable rises to the top of the ground surface, what is the change in effective stress (kpa) at the bottom of the clay layer?

For sand layer: Void Ratio= 0.83

SG= 2.68

Degree of Saturation= 0.78

 

For claylayer: Void Ratio= 0.89

SG=2.88

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