A borehole. A clay layer is discovered 7m below a sandy soil. The groundwater table of the area is 10m below the natural grade line. The sandy soil has a unit weight of the clay layer is 22.3 kn/m3 , and the moisture content and specific gravity is 12.4% and 2.7, respectively. A. Find the driend unit weight of the clay layer B. Find the total stress on a point 13m below the natural grade line. C. The effective stress at a point 10m below the grade line.
A borehole. A clay layer is discovered 7m below a sandy soil. The groundwater table of the area is 10m below the natural grade line. The sandy soil has a unit weight of the clay layer is 22.3 kn/m3 , and the moisture content and specific gravity is 12.4% and 2.7, respectively. A. Find the driend unit weight of the clay layer B. Find the total stress on a point 13m below the natural grade line. C. The effective stress at a point 10m below the grade line.
Fundamentals of Geotechnical Engineering (MindTap Course List)
5th Edition
ISBN:9781305635180
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Braja M. Das, Nagaratnam Sivakugan
Chapter9: Consolidation
Section: Chapter Questions
Problem 9.15P
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A borehole. A clay layer is discovered 7m below a sandy soil. The groundwater table of the area is 10m below the natural grade line. The sandy soil has a unit weight of the clay layer is 22.3 kn/m3 , and the moisture content and specific gravity is 12.4% and 2.7, respectively.
A. Find the driend unit weight of the clay layer
B. Find the total stress on a point 13m below the natural grade line.
C. The effective stress at a point 10m below the grade line.
D. Find the effective stress 13m below the natural grade line if there is a ground water drawdown of 4.5m due to groundwater extraction
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