Estimate the discharge of a well pumping water from a confined aquifer of thickness 20 m with the following data. Distance of observation well from the pumping well = 100 m Drawdown at the observation well after 4 hours of pumping = 1.5 m Drawdown at the observation well after 16 hours of pumping = 2.0 m Storage coefficient, S = 0.0003 Ans. Q = 1611 lpm

Fundamentals of Geotechnical Engineering (MindTap Course List)
5th Edition
ISBN:9781305635180
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Braja M. Das, Nagaratnam Sivakugan
Chapter8: Stresses In A Soil Mass
Section: Chapter Questions
Problem 8.14P
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Estimate the discharge of a well pumping water from a confined aquifer of thickness 20 m with the following data.

Distance of observation well from the pumping well = 100 m

Drawdown at the observation well after 4 hours of pumping = 1.5 m

Drawdown at the observation well after 16 hours of pumping = 2.0 m

Storage coefficient, S = 0.0003

Ans. Q = 1611 lpm

 
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