A pumping test was carried out to determine the average hydraulic conductivity of a sand deposit 20 m thick overlying impermeable clay. The discharge from the pumping well was 15 x 10^-3 m^3/s. Drawdowns in the observation wells located 15 m and 30 m from the centerline of the pumping well were 2.1 m and 1.6 m. respectively. The groundwater table was located at 3.2 m below the ground surface. (a) Determine the water level in the farthest observation well. (b) Determine the hydraulic conductivity in x10^-4 m/s. (c) Determine the transmissivity in m^2/day.
A pumping test was carried out to determine the average hydraulic conductivity of a sand deposit 20 m thick overlying impermeable clay. The discharge from the pumping well was 15 x 10^-3 m^3/s. Drawdowns in the observation wells located 15 m and 30 m from the centerline of the pumping well were 2.1 m and 1.6 m. respectively. The groundwater table was located at 3.2 m below the ground surface. (a) Determine the water level in the farthest observation well. (b) Determine the hydraulic conductivity in x10^-4 m/s. (c) Determine the transmissivity in m^2/day.
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 carried out to determine the average hydraulic conductivity of a sand deposit 20
m thick overlying impermeable clay. The discharge from the
pumping well was 15 x 10^-3 m^3/s. Drawdowns in the observation wells located 15 m and 30 m
from the centerline of the pumping well were 2.1 m and 1.6 m. respectively. The groundwater table
was located at 3.2 m below the ground surface.
(a) Determine the water level in the farthest observation well.
(b) Determine the hydraulic conductivity in x10^-4 m/s.
(c) Determine the transmissivity in m^2/day.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F31e4a6e9-47c9-4f03-b558-5e550d7554f7%2F710bcecb-737e-4d6f-9feb-db0b2a3091fd%2Fklxoeg_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A pumping test was carried out to determine the average hydraulic conductivity of a sand deposit 20
m thick overlying impermeable clay. The discharge from the
pumping well was 15 x 10^-3 m^3/s. Drawdowns in the observation wells located 15 m and 30 m
from the centerline of the pumping well were 2.1 m and 1.6 m. respectively. The groundwater table
was located at 3.2 m below the ground surface.
(a) Determine the water level in the farthest observation well.
(b) Determine the hydraulic conductivity in x10^-4 m/s.
(c) Determine the transmissivity in m^2/day.
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