1. A clay layer 3.66 m thick rests beneath a deposit of submerged sand 7.92 m thick. The top of the sand is located 3.05 m below the surface of a lake. The saturated unit weight of the sand is 19.62 kN/m³ and of the clay is 18.36 kN/m³. Compute (a) the total vertical pressure, (b) the pore water pressure, and (c) the effective vertical pressure at mid height of the clay layer. 3.05 m Lake 7.92 m. Submerged sand 3.66 m Clay layer Ans. a) 218.9 kN/m², b) 125.6 kN/m², c) 93.3 kN/m²
1. A clay layer 3.66 m thick rests beneath a deposit of submerged sand 7.92 m thick. The top of the sand is located 3.05 m below the surface of a lake. The saturated unit weight of the sand is 19.62 kN/m³ and of the clay is 18.36 kN/m³. Compute (a) the total vertical pressure, (b) the pore water pressure, and (c) the effective vertical pressure at mid height of the clay layer. 3.05 m Lake 7.92 m. Submerged sand 3.66 m Clay layer Ans. a) 218.9 kN/m², b) 125.6 kN/m², c) 93.3 kN/m²
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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![1. A clay layer 3.66 m thick rests beneath a deposit of submerged sand
7.92 m thick. The top of the sand is located 3.05 m below the surface
of a lake. The saturated unit weight of the sand is 19.62 kN/m³ and of
the clay is 18.36 kN/m³. Compute (a) the total vertical pressure, (b)
the pore water pressure, and (c) the effective vertical pressure at mid
height of the clay layer.
3.05 m
Lake
7.92 m.
Submerged sand
3.66 m
Clay layer
Ans. a) 218.9 kN/m², b) 125.6 kN/m², c) 93.3 kN/m²](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe5e0ba3e-d6a7-424d-b737-aef3403bfc80%2Fc2ed7d0b-849f-48e6-887f-5ac5d3f8ed37%2Fkzvakpfcp_processed.png&w=3840&q=75)
Transcribed Image Text:1. A clay layer 3.66 m thick rests beneath a deposit of submerged sand
7.92 m thick. The top of the sand is located 3.05 m below the surface
of a lake. The saturated unit weight of the sand is 19.62 kN/m³ and of
the clay is 18.36 kN/m³. Compute (a) the total vertical pressure, (b)
the pore water pressure, and (c) the effective vertical pressure at mid
height of the clay layer.
3.05 m
Lake
7.92 m.
Submerged sand
3.66 m
Clay layer
Ans. a) 218.9 kN/m², b) 125.6 kN/m², c) 93.3 kN/m²
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