Situation 5 (13-15) A 4-m thick sand layer has a void ratio of 0.61 and Gs = 2.65. Underneath the sand layer is a 5-m thick clay layer with a void ratio of 0.48 and Gs = 2.67. The water table is on the interface or between the two layers. Determine the following: 13. Effective stress at the bottom of sand layer. Ans: 64.60 kPa 14. Effective stress at the bottom of clay layer. Ans: 119.95 kPa 15. Depth of water table from the ground so that the effective stress at the bottom of the clay layer is 104 kPa Ans: 1.39 m

Situation 5 (13-15) A 4-m thick sand layer has a void ratio of 0.61 and Gs = 2.65. Underneath the sand layer is a 5-m thick clay layer with a void ratio of 0.48 and Gs = 2.67. The water table is on the interface or between the two layers. Determine the following: 13. Effective stress at the bottom of sand layer. Ans: 64.60 kPa 14. Effective stress at the bottom of clay layer. Ans: 119.95 kPa 15. Depth of water table from the ground so that the effective stress at the bottom of the clay layer is 104 kPa Ans: 1.39 m

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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