An oedometer test is conducted for a soil sample. The sample is consolidated under vertical stress of 50 kPa. The oedometer test finished at 144 min and data are given in table I. The average thickness of the sample is 20 mm. Predict the coefficient of consolidation (cv, in mm^2/min) using Casagrande log t method and Taylor square root of t method. Please use the empty graphical papers.

Structural Analysis
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Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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An oedometer test is conducted for a soil sample. The sample is consolidated under vertical stress of 50 kPa. The oedometer test finished at 144 min and data are given in table I. The average thickness of the sample is 20 mm. Predict the coefficient of consolidation (cv, in mm^2/min) using Casagrande log t method and Taylor square root of t method. Please use the empty graphical papers. 

Time (min) Dial gauge reading (mm)
194
0.01
0.02
193
0.05
190.5
0.1
186.5
0.2
181
0.5
173
168
164.5
2
161.5
10
160
20
158.5
50
156.9
100
155.7
144
155.1
Transcribed Image Text:Time (min) Dial gauge reading (mm) 194 0.01 0.02 193 0.05 190.5 0.1 186.5 0.2 181 0.5 173 168 164.5 2 161.5 10 160 20 158.5 50 156.9 100 155.7 144 155.1
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