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Calculate the coefficient of permeability of the sand in m/hr.

Calculate the coefficient of permeability of the sand in m/hr.

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A permeability test was carried out from a well that sunk through a surface layer of loose sand. Figure below shows the arrangement of pumping wells, together with relevant dimensions. Initially, the piezometric surface (ground water table) was located at a depth of 2.5m. When steady state was achieved at a pumping rate 38. 5 m, the following drawdowns were observed. hour Pumping well, d, = 3. 64m Observation well, d, = 0. 96m Observation well, d, = 0.48m %3D Calculate the coefficient of permeability of the sand in m/hr. 62 m 18 m GW.T 12 m Impermeable strata
Transcribed Image Text:A permeability test was carried out from a well that sunk through a surface layer of loose sand. Figure below shows the arrangement of pumping wells, together with relevant dimensions. Initially, the piezometric surface (ground water table) was located at a depth of 2.5m. When steady state was achieved at a pumping rate 38. 5 m, the following drawdowns were observed. hour Pumping well, d, = 3. 64m Observation well, d, = 0. 96m Observation well, d, = 0.48m %3D Calculate the coefficient of permeability of the sand in m/hr. 62 m 18 m GW.T 12 m Impermeable strata
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