A layer of sand 6 m thick lies beneath a clay stratum 5 m thick and above abed thick shale Inorder to determine the permeability of sand, a well was driven to the top of the shale and water pumped out at a rate of 0.01 m³/sec. Two observation wells driven through the clay at 15m and 30 m from the pumping well and water was found to rise to levels of 3m and 2.4 m below the ground water surface. Calculate the permeability of soil.

Structural Analysis
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ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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A layer of sand 6 m thick lies beneath a clay stratum 5 m thick and above abed
thick shale
Inorder to determine the permeability of sand, a well
was driven to the top of the shale and water pumped out at a rate of 0.01 m³/sec.
Two observation wells driven through the clay at 15m and 30 m from the pumping
well and water was found to rise to levels of 3m and 2.4 m below the ground water
surface. Calculate the permeability of soil.
Transcribed Image Text:A layer of sand 6 m thick lies beneath a clay stratum 5 m thick and above abed thick shale Inorder to determine the permeability of sand, a well was driven to the top of the shale and water pumped out at a rate of 0.01 m³/sec. Two observation wells driven through the clay at 15m and 30 m from the pumping well and water was found to rise to levels of 3m and 2.4 m below the ground water surface. Calculate the permeability of soil.
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