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Sketch the variation in total stress, effective stress, and pore water pressure up to a depth of 6 m below ground level, given the following data. The water table is 2 m below ground level. The dry density of the soil is 1.8 g/cm3 , water content is 12%; specific gravity is 2.65. What would be the change in these stresses, if water-table drops by 1.0 m?
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Sketch the variation in total stress, effective stress, and pore water...
Given Data:
- Depth of water table (h) = 2 m
- Dry density of soil (γd) = 1.8 g/cm3
- Water content (w) = 12%
- Specific gravity (Gs) = 2.65
Calculations:
1. Total stress at a depth of 6 m below ground level:
Total stress (σt) = γd * z
σt = 1.8 * 6
σt = 10.8 kN/m2
2. Effective stress at a depth of 6 m below ground level:
Effective stress (σ') = σt - u
u = γw * h
u = 9.81 * 2
u = 19.62 kN/m2
σ' = 10.8 - 19.62
σ' = -8.82 kN/m2
3. Pore water pressure at a depth of 6 m below ground level:
Pore water pressure (u) = γw * h
u = 9.81 * 2
u = 19.62 kN/m2
Effect of Water Table Drop:
If the water table drops by 1.0 m, the new water table depth would be 1 m.
1. Total stress would remain the same at 6 m depth.
2. Effective stress would increase by γw * 1 = 9.81 kN/m2.
3. Pore water pressure would decrease by 9.81 kN/m2.
This change in stresses occurs because as the water table drops, the weight of the water column above the point decreases, leading to an increase in effective stress and a decrease in pore water pressure.
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Sketch the variation in total stress, effective stress, and pore water pressure up to a depth of 6 m below ground level, given the following data. The water table is 2 m below ground level. The dry density of the soil is 1.8 g/cm3 , water content is 12%; specific gravity is 2.65. What would be the change in these stresses, if water-table drops by 1.0 m?
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Sketch the variation in total stress, effective stress, and pore water pressure up to a depth of 6 m below ground level, given the following data. The water table is 2 m below ground level. The dry density of the soil is 1.8 g/cm3 , water content is 12%; specific gravity is 2.65. What would be the change in these stresses, if water-table drops by 1.0 m? for Civil Engineering (CE) 2024 is part of Civil Engineering (CE) preparation. The Question and answers have been prepared according to the Civil Engineering (CE) exam syllabus. Information about Sketch the variation in total stress, effective stress, and pore water pressure up to a depth of 6 m below ground level, given the following data. The water table is 2 m below ground level. The dry density of the soil is 1.8 g/cm3 , water content is 12%; specific gravity is 2.65. What would be the change in these stresses, if water-table drops by 1.0 m? covers all topics & solutions for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Sketch the variation in total stress, effective stress, and pore water pressure up to a depth of 6 m below ground level, given the following data. The water table is 2 m below ground level. The dry density of the soil is 1.8 g/cm3 , water content is 12%; specific gravity is 2.65. What would be the change in these stresses, if water-table drops by 1.0 m?.
Sketch the variation in total stress, effective stress, and pore water pressure up to a depth of 6 m below ground level, given the following data. The water table is 2 m below ground level. The dry density of the soil is 1.8 g/cm3 , water content is 12%; specific gravity is 2.65. What would be the change in these stresses, if water-table drops by 1.0 m? for Civil Engineering (CE) 2024 is part of Civil Engineering (CE) preparation. The Question and answers have been prepared according to the Civil Engineering (CE) exam syllabus. Information about Sketch the variation in total stress, effective stress, and pore water pressure up to a depth of 6 m below ground level, given the following data. The water table is 2 m below ground level. The dry density of the soil is 1.8 g/cm3 , water content is 12%; specific gravity is 2.65. What would be the change in these stresses, if water-table drops by 1.0 m? covers all topics & solutions for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Sketch the variation in total stress, effective stress, and pore water pressure up to a depth of 6 m below ground level, given the following data. The water table is 2 m below ground level. The dry density of the soil is 1.8 g/cm3 , water content is 12%; specific gravity is 2.65. What would be the change in these stresses, if water-table drops by 1.0 m?.
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