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2. A ground profile consists of 3 m of silty sand of density p = 2.0 Mg/m3 overlying 12 m of clay with p = 1.6 Mg/m3 which is underlain by 5 m of gravel with p = 2.3 Mg/m³ and then rock. The ground water table is 1.5 m below the ground surface. Assume that the density of the silty sand is the same above and below the water table. Calculate the total vertical stress, pore water pressure and effective vertical stress at depths of 0, 3, 15, and 20 m. Draw the soil profile and the three stresses side-by-side.

2. A ground profile consists of 3 m of silty sand of density p = 2.0 Mg/m3 overlying 12 m of clay with p = 1.6 Mg/m3 which is underlain by 5 m of gravel with p = 2.3 Mg/m³ and then rock. The ground water table is 1.5 m below the ground surface. Assume that the density of the silty sand is the same above and below the water table. Calculate the total vertical stress, pore water pressure and effective vertical stress at depths of 0, 3, 15, and 20 m. Draw the soil profile and the three stresses side-by-side.

Fundamentals of Geotechnical Engineering (MindTap Course List)
Fundamentals of Geotechnical Engineering (MindTap Course List)
5th Edition
ISBN:9781305635180
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Braja M. Das, Nagaratnam Sivakugan
Chapter9: Consolidation
Section: Chapter Questions
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Soil mechanics
2. A ground profile consists of 3 m of silty sand of density p = 2.0 Mg/m³ overlying 12 m of clay with p = 1.6 Mg/m3 which is underlain by 5 m of gravel with p = 2.3 Mg/m³ and then rock. The ground water table is 1.5 m below the ground surface. Assume that the density of the silty sand is the same above and below the water table. Calculate the total vertical stress, pore water pressure and effective vertical stress at depths of 0, 3, 15, and 20 m. Draw the soil profile and the three stresses side-by-side.
Transcribed Image Text:2. A ground profile consists of 3 m of silty sand of density p = 2.0 Mg/m³ overlying 12 m of clay with p = 1.6 Mg/m3 which is underlain by 5 m of gravel with p = 2.3 Mg/m³ and then rock. The ground water table is 1.5 m below the ground surface. Assume that the density of the silty sand is the same above and below the water table. Calculate the total vertical stress, pore water pressure and effective vertical stress at depths of 0, 3, 15, and 20 m. Draw the soil profile and the three stresses side-by-side.
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