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.
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.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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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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