A permeability pumping test was carried out in a confined aquifer with the piezometric level before pumping is 2.24 m. below the ground surface. The aquiclude (impermeable layer) has a thickness of 6.00 m. measured from the ground surface and the confined aquifer is 7.3 m. deep until it reaches the aquiclude (impermeable layer) at the bottom. At a steady pumping rate of 16.2 m³/hour the drawdown in the observation wells. were respectively equal to 1.65 m. and 0.44 m. The distances of the observation wells from the center of the test well were 17 m. and 30 m. respectively. Compute the coefficient of permeability in mm/sec. Use 4 decimal places.
A permeability pumping test was carried out in a confined aquifer with the piezometric level before pumping is 2.24 m. below the ground surface. The aquiclude (impermeable layer) has a thickness of 6.00 m. measured from the ground surface and the confined aquifer is 7.3 m. deep until it reaches the aquiclude (impermeable layer) at the bottom. At a steady pumping rate of 16.2 m³/hour the drawdown in the observation wells. were respectively equal to 1.65 m. and 0.44 m. The distances of the observation wells from the center of the test well were 17 m. and 30 m. respectively. Compute the coefficient of permeability in mm/sec. Use 4 decimal places.
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 permeability pumping test was carried out in a confined aquifer with the
piezometric level before pumping is 2.24 m. below the ground surface. The
aquiclude (impermeable layer) has a thickness of 6.00 m. measured from the
ground surface and the confined aquifer is 7.3 m. deep until it reaches the
aquiclude (impermeable layer) at the bottom. At a steady pumping rate of 16.2
m³/hour the drawdown in the observation wells. were respectively equal to
1.65 m. and 0.44 m. The distances of the observation wells from the center of
the test well were 17 m. and 30 m. respectively. Compute the coefficient of
permeability in mm/sec. Use 4 decimal places.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe0bc69da-1a23-4bde-9bb5-b06f4699fde1%2Ff609d0b5-1808-4a60-b0e0-aaaf2b80b2fe%2Fbcnqoya_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A permeability pumping test was carried out in a confined aquifer with the
piezometric level before pumping is 2.24 m. below the ground surface. The
aquiclude (impermeable layer) has a thickness of 6.00 m. measured from the
ground surface and the confined aquifer is 7.3 m. deep until it reaches the
aquiclude (impermeable layer) at the bottom. At a steady pumping rate of 16.2
m³/hour the drawdown in the observation wells. were respectively equal to
1.65 m. and 0.44 m. The distances of the observation wells from the center of
the test well were 17 m. and 30 m. respectively. Compute the coefficient of
permeability in mm/sec. Use 4 decimal places.
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