After 1440 min the thickness of the specimen was 15.30 mm and the water con- tent was 23.2%. Determine the values of the coefficient of consolidation and the compression ratios from (a) the root time plot and (b) the log time plot. Determine also the values of the coefficient of volume compressibility and the coefficient of permeability.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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Geotechnical Engineering-2

In an oedometer test on a specimen of saturated clay (G, = 2.72) the applied
pressure was increased from 107 to 214 kN/m² and the following compression
readings recorded:
Time (min)
0 # 1
I
2
4
6
9
16
Gauge (mm)
7.82
7.42
7.32
7.21
6.99
6.78
6.61
6.49 6.37
Time (min)
25 36
49
64
81
100
300
1440
Gauge (mm) 6.29 6.24
6.21
6.18 6.16 6.15 6.10 6.02
After 1440 min the thickness of the specimen was 15.30 mm and the water con-
tent was 23.2%. Determine the values of the coefficient of consolidation and the
compression ratios from (a) the root time plot and (b) the log time plot.
Determine also the values of the coefficient of volume compressibility and the
coefficient of permeability.
Transcribed Image Text:In an oedometer test on a specimen of saturated clay (G, = 2.72) the applied pressure was increased from 107 to 214 kN/m² and the following compression readings recorded: Time (min) 0 # 1 I 2 4 6 9 16 Gauge (mm) 7.82 7.42 7.32 7.21 6.99 6.78 6.61 6.49 6.37 Time (min) 25 36 49 64 81 100 300 1440 Gauge (mm) 6.29 6.24 6.21 6.18 6.16 6.15 6.10 6.02 After 1440 min the thickness of the specimen was 15.30 mm and the water con- tent was 23.2%. Determine the values of the coefficient of consolidation and the compression ratios from (a) the root time plot and (b) the log time plot. Determine also the values of the coefficient of volume compressibility and the coefficient of permeability.
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