The following readings (Table 1) were taken for an increment of vertical stress of 50 kPa...
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The following readings (Table 1) were taken for an increment of vertical stress of 50 kPa in an oedometer test on a saturated clay sample with 76.1 mm diameter and 19 mm thick. Drainage was permitted from the top and bottom boundaries. Table 1 Time (mins) AH (mm) 0.05 0.25 0.1 0.5 0.17 0.75 0.25 0.5 1.5 0.75 1 2.5 3.75 2 5.5 7.75 4 9. 16 9 25 9.75 36 10.25 49 10.5 64 10.75 10.9 81 1) Determine the coefficient of consolidation (C.) using Taylor's square root of time method. 2) Determine the coefficient of consolidation (C.) using Cassagrande's logarithm of time method. 3) Determine the coefficient of volume compressibility (m.) and coefficient of permeability (k) value. The following readings (Table 1) were taken for an increment of vertical stress of 50 kPa in an oedometer test on a saturated clay sample with 76.1 mm diameter and 19 mm thick. Drainage was permitted from the top and bottom boundaries. Table 1 Time (mins) AH (mm) 0.05 0.25 0.1 0.5 0.17 0.75 0.25 0.5 1.5 0.75 1 2.5 3.75 2 5.5 7.75 4 9. 16 9 25 9.75 36 10.25 49 10.5 64 10.75 10.9 81 1) Determine the coefficient of consolidation (C.) using Taylor's square root of time method. 2) Determine the coefficient of consolidation (C.) using Cassagrande's logarithm of time method. 3) Determine the coefficient of volume compressibility (m.) and coefficient of permeability (k) value.
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1 Taylor Square Root of Time Fitting Method Taylor 1948 In this method the dial readings are plotted against the square root of time The coefficient o... View the full answer
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