Problem # 2. A permeability pumping test was carried out in a confined aquifer with the piezometric level before pumping is 2.18m below the ground surface. The aquiclude(impermeable layer) has a thickness of 5.7m. measured from the ground surface and the confined aquifer is 7.6m deep until it reaches the aquiclude(impermeable layer) at the bottom. At a steady pumping rate of 15.6 m3/hour the drawdown in the observation wells were respectively equal to 1.62 m. and 0.47 m. The distances of the observation wells from the center of the test well were 15m. And 32m. respectively. a. Compute the depth of water at the farthest observation well. 32 b. Compute the coefficient of permeability.

Problem # 2. A permeability pumping test was carried out in a confined aquifer with the piezometric level before pumping is 2.18m below the ground surface. The aquiclude(impermeable layer) has a thickness of 5.7m. measured from the ground surface and the confined aquifer is 7.6m deep until it reaches the aquiclude(impermeable layer) at the bottom. At a steady pumping rate of 15.6 m3/hour the drawdown in the observation wells were respectively equal to 1.62 m. and 0.47 m. The distances of the observation wells from the center of the test well were 15m. And 32m. respectively. a. Compute the depth of water at the farthest observation well. 32 b. Compute the coefficient of permeability.

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 pumping test was carried out in a confined aquifer with the piezometric level before pumping of 2.18m below the ground surface. The aquiclude has a thickness of 5.7m measured from the ground surface and confined aquifer is 7.6m deep until it reaches the aquiclude at the bottom. At a steady state pumping rate of 15.6 ?7??6?3/?2h?7??1? the drawdown in the observation wells were respectively equal to 1.62m and 0.47m. The distances of the observation wells from the center of the test well were 15m and 32m respectively. The radius of the test well is 1m. Determine the coefficient of permeability (m/hr) Select the correct response: 2.15x10-5 0.215 0.597 5.97x10-5
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