A well is constructed to pump water from a confined aquifer. Two observation wells are constructed at distances of 100m and 1000m respectively. Water is pump from the pumping well at a rate of 0.2m3 /min. at steady state, the draw down is observed as 2m and 8m, respectively in the farthest and the nearest observation wells. Diameter of the test well is 1m. a. Determine the coefficient of permeability in cm/sec if the thickness of the aquifer is 20m. b. Determine the draw down in the test well.
A well is constructed to pump water from a confined aquifer. Two observation wells are constructed at distances of 100m and 1000m respectively. Water is pump from the pumping well at a rate of 0.2m3 /min. at steady state, the draw down is observed as 2m and 8m, respectively in the farthest and the nearest observation wells. Diameter of the test well is 1m. a. Determine the coefficient of permeability in cm/sec if the thickness of the aquifer is 20m. b. Determine the draw down in the test well.
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 7.22P: Refer to Figure 7.24. The following data were collected during the field permeability measurement of...
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