10 m thick confined aquifer gives the steady state discharge of 0.03 m³/s through the well of 50 cm radius. Due to pumping, the height of water in the well is dropped from 15 m to 10 m and the radius of influence is obtained as 500 m. What is the coefficient of permeability (mm/s)?

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 7.4P
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10 m thick confined aquifer gives the steady state
discharge of 0.03 m³/s through the well of 50 cm
radius. Due to pumping, the height of water in
the well is dropped from 15 m to 10 m and the
939
radius of influence is obtained as 500 m. What is
the coefficient of permeability (mm/s)?
Transcribed Image Text:10 m thick confined aquifer gives the steady state discharge of 0.03 m³/s through the well of 50 cm radius. Due to pumping, the height of water in the well is dropped from 15 m to 10 m and the 939 radius of influence is obtained as 500 m. What is the coefficient of permeability (mm/s)?
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