11.4 The following are the results of a consolidation test on a sample of a clayey soil. Pressure, o' (kN/m²) e 1.113 25 1.106 50 1.066 100 0.982 200 0.855 400 0.735 800 0.63 1600 0.66 800 0.675 400 0.685 200 a. Plot the e-log o' curve. b. Using Casagrande's method, determine the preconsolidation pressure. c. Calculate the compression index, C, and the ratio of C/C.
11.4 The following are the results of a consolidation test on a sample of a clayey soil. Pressure, o' (kN/m²) e 1.113 25 1.106 50 1.066 100 0.982 200 0.855 400 0.735 800 0.63 1600 0.66 800 0.675 400 0.685 200 a. Plot the e-log o' curve. b. Using Casagrande's method, determine the preconsolidation pressure. c. Calculate the compression index, C, and the ratio of C/C.
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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Transcribed Image Text:The following are the results of a consolidation test on a sample of a clayey soil.
Pressure, o'
(kN/m²)
1.113
25
1.106
50
1.066
100
0.982
200
0.855
400
0.735
800
0.63
1600
0.66
800
0.675
400
0.685
200
a. Plot the e-log o' curve.
b. Using Casagrande's method, determine the preconsolidation pressure.
Calculate the compression index, C, and the ratio of C/C.
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