A 10 m thick sand layer is underlain by 8 m thick clay layer. The groundwater is found to be at 3 m below the surface at the present time. In the Past (long time ago) the ground water table was at 6 m below the ground surface. The sand unit weight, ymoist=18 kN/m³ and the clay saturated density yat = 17 kN/m³. Required: A) Total stress, pore pressure and effective stress at points A, B and C in Both Cases? B) Calculate the over consolidation ratio (OCR) at the midpoint of the clay layer?

A 10 m thick sand layer is underlain by 8 m thick clay layer. The groundwater is found to be at 3 m below the surface at the present time. In the Past (long time ago) the ground water table was at 6 m below the ground surface. The sand unit weight, ymoist=18 kN/m³ and the clay saturated density yat = 17 kN/m³. Required: A) Total stress, pore pressure and effective stress at points A, B and C in Both Cases? B) Calculate the over consolidation ratio (OCR) at the midpoint 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 8.11P

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