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A clay soil specimen with the initial height of 1.0 in is loaded for a design pressure of 20 psi. The time rate of consolidation for soil sample in laboratory is shown below. The initial displacement reading of 0.0335 is recorded. Given: H1=1 ft; H2=5ft; and H3=10ft. Soil characteristics are as follows: • Sand: e =0.65; Gs= 2.65 • Clay: e=0.98; Gs= 2.70; o=700 lb/ft2; Cs 1/6 Cc, Cc=0.24.

A clay soil specimen with the initial height of 1.0 in is loaded for a design pressure of 20 psi. The time rate of consolidation for soil sample in laboratory is shown below. The initial displacement reading of 0.0335 is recorded. Given: H1=1 ft; H2=5ft; and H3=10ft. Soil characteristics are as follows: • Sand: e =0.65; Gs= 2.65 • Clay: e=0.98; Gs= 2.70; o=700 lb/ft2; Cs 1/6 Cc, Cc=0.24.

Principles of Geotechnical Engineering (MindTap Course List)
Principles of Geotechnical Engineering (MindTap Course List)
9th Edition
ISBN:9781305970939
Author:Braja M. Das, Khaled Sobhan
Publisher:Braja M. Das, Khaled Sobhan
Chapter11: Compressibility Of Soil
Section: Chapter Questions
Problem 11.14P
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A clay soil specimen with the initial height of 1.0 in is loaded for a design pressure of 20 psi. The time rate of consolidation for soil sample in laboratory is shown below. The initial displacement reading of 0.0335 is recorded. Given: H1=1 ft; H2=5ft; and H3=10ft. Soil characteristics are as follows: • Sand: e =0.65; Gs= 2.65 • Clay: e=0.98; Gs= 2.70; o=700 Ib/ft2; C s = 1/6 Cc, Cc=0.24.
Transcribed Image Text:A clay soil specimen with the initial height of 1.0 in is loaded for a design pressure of 20 psi. The time rate of consolidation for soil sample in laboratory is shown below. The initial displacement reading of 0.0335 is recorded. Given: H1=1 ft; H2=5ft; and H3=10ft. Soil characteristics are as follows: • Sand: e =0.65; Gs= 2.65 • Clay: e=0.98; Gs= 2.70; o=700 Ib/ft2; C s = 1/6 Cc, Cc=0.24.
O Sand Clay a. Calculate effective stress at mid-depth of clay layer, o. b. Estimate the primary consolidation settlement in the clay layer due to calculated induced overload of Ao=550 lb/ft at the center of clay layer.
Transcribed Image Text:O Sand Clay a. Calculate effective stress at mid-depth of clay layer, o. b. Estimate the primary consolidation settlement in the clay layer due to calculated induced overload of Ao=550 lb/ft at the center of clay layer.
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