A pumping test was made in a fine sand extending to a depth of 50 ft where a bed of clay is encountered .The normal ground water level was at the ground surface .Observation wells were established at distances of 10 ft and 20 ft from the pumping well .A steady state was reached at a rate of pumping equal to 1.2 gpm .The drawdown at the outer well was 0.5 ft and at the inner well 1.5 ft .What was the hydraulic conductivity of the sand in ft/sec
A pumping test was made in a fine sand extending to a depth of 50 ft where a bed of clay is encountered .The normal ground water level was at the ground surface .Observation wells were established at distances of 10 ft and 20 ft from the pumping well .A steady state was reached at a rate of pumping equal to 1.2 gpm .The drawdown at the outer well was 0.5 ft and at the inner well 1.5 ft .What was the hydraulic conductivity of the sand in ft/sec
Fundamentals of Geotechnical Engineering (MindTap Course List)
5th Edition
ISBN:9781305635180
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Braja M. Das, Nagaratnam Sivakugan
Chapter6: Hydraulic Conductivity
Section: Chapter Questions
Problem 6.15P
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A pumping test was made in a fine sand extending to a depth of 50 ft where a bed of
clay is encountered .The normal ground water level was at the ground surface
.Observation wells were established at distances of 10 ft and 20 ft from the pumping well
.A steady state was reached at a rate of pumping equal to 1.2 gpm .The drawdown at
the outer well was 0.5 ft and at the inner well 1.5 ft .What was the hydraulic conductivity
of the sand in ft/sec
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