The water table is at a depth of 6.5 ft below the ground surface. The soil is mainly consists of clay up to a depth of 13 ft from the ground and below which lies sand. The clay stratum is saturated above the water table. For Clay stratum the following information is provided: Moisture content = 30 percent Specific gravity = 2.72 For Sandy stratum the following information is provided: Moisture content = 26 percent Specific gravity = 2.64. Find: (A) The total pressure, pore pressure and effective pressure at a depth of 26 ft below the ground surface. (B) The change in the effective pressure if the water table is brought down to a level of 13 ft below the ground surface by pumping.
The water table is at a depth of 6.5 ft below the ground surface. The soil is mainly consists of clay up to a depth of 13 ft from the ground and below which lies sand. The clay stratum is saturated above the water table. For Clay stratum the following information is provided: Moisture content = 30 percent Specific gravity = 2.72 For Sandy stratum the following information is provided: Moisture content = 26 percent Specific gravity = 2.64. Find: (A) The total pressure, pore pressure and effective pressure at a depth of 26 ft below the ground surface. (B) The change in the effective pressure if the water table is brought down to a level of 13 ft below the ground surface by pumping.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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The water table is at a depth of 6.5 ft below the ground surface. The soil is mainly consists of clay up to a depth of 13 ft from the ground and below which lies sand. The clay stratum is saturated above the water table.
For Clay stratum the following information is provided:
- Moisture content = 30 percent
- Specific gravity = 2.72
For Sandy stratum the following information is provided:
- Moisture content = 26 percent
- Specific gravity = 2.64.
Find:
(A) The total pressure, pore pressure and effective pressure at a depth of 26 ft below the ground surface.
(B) The change in the effective pressure if the water table is brought down to a level of 13 ft below the ground surface by pumping.
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