The following are the results of a consolidation test on a sample of a clayey soil. Pressure, o (kN/m2) 1.116 25 1.108 50 1.055 100 0.962 200 0.845 400 0.755 800 0.65 1600 0.658 800 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.
The following are the results of a consolidation test on a sample of a clayey soil. Pressure, o (kN/m2) 1.116 25 1.108 50 1.055 100 0.962 200 0.845 400 0.755 800 0.65 1600 0.658 800 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:QUESTION # 1:
The following are the results of a consolidation test on a sample of a
clayey soil.
Pressure,
(kN/m²)
1.116
25
1.108
50
1.055
100
0.962
200
0.845
400
0.755
800
0.65
1600
0.658
800
0.675
400
0.685
200
a. Plot the e,log ơ curve.
b. Using Casagrande's method, determine the preconsolidation
pressure.
c. Calculate the compression index, Ce, and the ratio of C/C.
(Note: Use excel for calculation and drawing. Discuss the details in
your own words.)
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