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Q2 12 m Concrete dam Water 1.5 m water 5 m Impervious clay Figure P4.18 A sketch of a flownet under a dam is shown in Figure P4.18. (a) Determine the flow rate under the dam, if k = 2 x 10"cm/s. (b) Determine the porewater pressures at A and B.

Q2 12 m Concrete dam Water 1.5 m water 5 m Impervious clay Figure P4.18 A sketch of a flownet under a dam is shown in Figure P4.18. (a) Determine the flow rate under the dam, if k = 2 x 10"cm/s. (b) Determine the porewater pressures at A and B.

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
Chapter7: Seepage
Section: Chapter Questions
Problem 7.1P
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Q2 12 m Concrete dam 4 m Water 1.5 m water 5 m Impervious clay Figure P4.18 A sketch of a flownet under a dam is shown in Figure P4.18. (a) Determine the flow rate under the dam, if k = 2 x 10°cm/s. (b) Determine the porewater pressures at A and B. Hint: for a) q=(keaMAH)(N/N.) Q3. Compute the total vertical stress G. pore water pressure u, and then the effective vertical stress o at Points A. B. C. and D in the soil profile shown in the following figure. Plot those with the depth z. Sol 3y I83ANim z (m) (Y=bult unit weight) Q4. Compute the total vertical stress G. pore water pressure u, and then the effective vertical stress o at Points A. B. C. and D in the soil profile shown in the following figure. Plot those with the depthz Sol L IROAN Soil 2 Y IRSAN Soil 3 Y, 19.0AN (Y=bult unit weight)
Transcribed Image Text:Q2 12 m Concrete dam 4 m Water 1.5 m water 5 m Impervious clay Figure P4.18 A sketch of a flownet under a dam is shown in Figure P4.18. (a) Determine the flow rate under the dam, if k = 2 x 10°cm/s. (b) Determine the porewater pressures at A and B. Hint: for a) q=(keaMAH)(N/N.) Q3. Compute the total vertical stress G. pore water pressure u, and then the effective vertical stress o at Points A. B. C. and D in the soil profile shown in the following figure. Plot those with the depth z. Sol 3y I83ANim z (m) (Y=bult unit weight) Q4. Compute the total vertical stress G. pore water pressure u, and then the effective vertical stress o at Points A. B. C. and D in the soil profile shown in the following figure. Plot those with the depthz Sol L IROAN Soil 2 Y IRSAN Soil 3 Y, 19.0AN (Y=bult unit weight)
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