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 0.2ms/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 0.2ms/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.
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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