The consolidation rate data presented in Table 2 (next page) correspond to the 20 to 40 kPa load increment applied during a consolidation test. The initial height of the sample was 25.4 mm and porous stones were placed in the upper and lower parts of the sample. a- Determine Cv by Taylor's method (Method of the square root of time) b- Determine Cv by the method of Casagrande (Method of the curve of the logarithm of time). c- Plot the curve e vs Log t for the given load increment and determine the secondary compression coefficient C. Table 2 - Micrometer readings as a function of time for a load increment of 20 kPa to 40 kPa
The consolidation rate data presented in Table 2 (next page) correspond to the 20 to 40 kPa load increment applied during a consolidation test. The initial height of the sample was 25.4 mm and porous stones were placed in the upper and lower parts of the sample. a- Determine Cv by Taylor's method (Method of the square root of time) b- Determine Cv by the method of Casagrande (Method of the curve of the logarithm of time). c- Plot the curve e vs Log t for the given load increment and determine the secondary compression coefficient C. Table 2 - Micrometer readings as a function of time for a load increment of 20 kPa to 40 kPa
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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The consolidation rate data presented in Table 2 (next page) correspond to the 20 to 40 kPa load increment applied during a consolidation test. The initial height of the sample was 25.4 mm and porous stones were placed in the upper and lower parts of the sample. a- Determine Cv by Taylor's method (Method of the square root of time) b- Determine Cv by the method of Casagrande (Method of the curve of the logarithm of time). c- Plot the curve e vs Log t for the given load increment and determine the secondary compression coefficient C.
Table 2 - Micrometer readings as a function of time for a load increment of 20 kPa to 40 kPa
Transcribed Image Text:Temps
(min)
0
0,01
0,1
0,25
0,5
1
2
4
8
15
30
60
120
240
505
1485
Lecture du manomètre
(mm)
4,041
3,977
3,927
3,879
3,8
3,757
3,65
3,495
3,282
3,035
2,766
2,55
2,423
2,276
2,184
2,04
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