The coefficient of permeability below a dam is 12 m/day. The water in the upstream side is 32 meter higher than on the downstream side (level with the ground). To estimate the seepage below the dam, a flow net is graphically drawn such that the number of potential drops, Nd = 8 and the number of flow channels Nf = 3. The base of the dam is founded 1.8 m below the ground. Between the heel and the toe of the dam, a distance of 32 meters, there are 6 potential drops. a. Estimate the seepage per meter length of the dam in liters per minute. (IN EXPONENTIAL FORM AND IN 2 DECIMAL PLACES) b. Determine the uplift pressure at the heel in kPa. (IN 2 DECIMAL PLACES) c. Determine the uplift pressure at the toe in kPa. (IN 2 DECIMAL PLACES)
The coefficient of permeability below a dam is 12 m/day. The water in the upstream side is 32 meter higher than on the downstream side (level with the ground). To estimate the seepage below the dam, a flow net is graphically drawn such that the number of potential drops, Nd = 8 and the number of flow channels Nf = 3. The base of the dam is founded 1.8 m below the ground. Between the heel and the toe of the dam, a distance of 32 meters, there are 6 potential drops. a. Estimate the seepage per meter length of the dam in liters per minute. (IN EXPONENTIAL FORM AND IN 2 DECIMAL PLACES) b. Determine the uplift pressure at the heel in kPa. (IN 2 DECIMAL PLACES) c. Determine the uplift pressure at the toe in kPa. (IN 2 DECIMAL PLACES)
Principles of Geotechnical Engineering (MindTap Course List)
9th Edition
ISBN:9781305970939
Author:Braja M. Das, Khaled Sobhan
Publisher:Braja M. Das, Khaled Sobhan
Chapter7: Permeability
Section: Chapter Questions
Problem 7.5P
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