2. The ground water level in a thick, very fine sand deposit is located 2.0 m below the ground surface.Above the free ground water line, the sand is saturated by capillary action. The unit weight of thesaturated sand is 20.3 kN/m³.Ground surfaceYsat = 20.3 kN/m32 mWater table4.5 m2.5 mYsat = 20.3 kN/m³a) Calculate the total stress in kPa on a horizontal plane A located 4.5 m below the ground surface.b) Calculate the porewater pressure in kPa at this plane.c) What is the effective vertical pressure in kPa in plane A.

Answered: Image /qna-images/answer/38d88dc2-9f0c-4e30-9ecb-9f09d3653592.jpg

2. The ground water level in a thick, very fine sand deposit is located 2.0 m below the ground surface. Above the free ground water line, the sand is saturated by capillary action. The unit weight of the saturated sand is 20.3 kN/m³. Ground surface Ysat = 20.3 kN/m³ 2 m Water table 4.5 m 2.5 m Ysat = 20.3 kN/m³ A O a) Calculate the total stress in kPa on a horizontal plane A located 4.5 m below the ground surface. b) Calculate the porewater pressure in kPa at this plane. c) What is the effective vertical pressure in kPa in plane A.

2. The ground water level in a thick, very fine sand deposit is located 2.0 m below the ground surface. Above the free ground water line, the sand is saturated by capillary action. The unit weight of the saturated sand is 20.3 kN/m³. Ground surface Ysat = 20.3 kN/m³ 2 m Water table 4.5 m 2.5 m Ysat = 20.3 kN/m³ A O a) Calculate the total stress in kPa on a horizontal plane A located 4.5 m below the ground surface. b) Calculate the porewater pressure in kPa at this plane. c) What is the effective vertical pressure in kPa in plane A.

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter9: In Situ Stresses

Section: Chapter Questions

Problem 9.12P

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