Q.22 A field pumping test was conducted from an aquifer of sandy soil of 4 m thickness confined between two impervious strata. When equilibrium was established, 90 liters of water was pumped Observation wells Ap Test well Ime ち=6m Impermeable stratum = 3 m hz = 2.7 m h, = 2.1 m Confined aquifer H, = 4 m Impermeable out per hour. The water elevation in an observation well 3.0 m away from the test well was 2.1 m and another 6.0 m away was 2.7 m from the roof level of the impervious stratum of the aquifer. Find the value of k of the soil in m/sec. (
Q.22 A field pumping test was conducted from an aquifer of sandy soil of 4 m thickness confined between two impervious strata. When equilibrium was established, 90 liters of water was pumped Observation wells Ap Test well Ime ち=6m Impermeable stratum = 3 m hz = 2.7 m h, = 2.1 m Confined aquifer H, = 4 m Impermeable out per hour. The water elevation in an observation well 3.0 m away from the test well was 2.1 m and another 6.0 m away was 2.7 m from the roof level of the impervious stratum of the aquifer. Find the value of k of the soil in m/sec. (
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 7.22P: Refer to Figure 7.24. The following data were collected during the field permeability measurement of...
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![Q.22
A field pumping test was conducted from an aquifer of sandy soil of 4 m thickness confined
between two impervious strata. When equilibrium was established, 90 liters of water was pumped
Observation wells
Ap
Test well
me.
7= 6m
Impermeable stratum
= 3 m
h = 2.7 m
h, = 2.1 m
Confined aquifer
H, = 4 m
Impermeable
out per hour. The water elevation in an observation well 3.0 m away from the test well was 2.1 m
and another 6.0 m away was 2.7 m from the roof level of the impervious stratum of the aquifer. Find
the value of k of the soil in m/sec. (](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F75f8d1f0-518b-4f01-9f87-49d5635f9bd2%2F47105f73-5b48-4368-8e31-962eec67beb5%2Fr65yjj_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Q.22
A field pumping test was conducted from an aquifer of sandy soil of 4 m thickness confined
between two impervious strata. When equilibrium was established, 90 liters of water was pumped
Observation wells
Ap
Test well
me.
7= 6m
Impermeable stratum
= 3 m
h = 2.7 m
h, = 2.1 m
Confined aquifer
H, = 4 m
Impermeable
out per hour. The water elevation in an observation well 3.0 m away from the test well was 2.1 m
and another 6.0 m away was 2.7 m from the roof level of the impervious stratum of the aquifer. Find
the value of k of the soil in m/sec. (
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