ts to determine the permeability of an aquifer. The aquifer has a test well 300-mm in diameter with two observation wells. A pumping test was conducted for 24 hours with the discharge being held constant at 5,957.2 m^3/day. The first one, eters from the test well, has a draw-down of 0.69 meters. The second one, 48 meters from the test well, has a draw-down of 1.2 meters. The static water table penetrates the well to a depth of 25 meters. Determine the radius of influence of er in meters. Round off to three decimal places.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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Yuri wants to determine the permeability of an aquifer. The aquifer has a test well 300-mm in diameter with two observation wells. A pumping test was conducted for 24 hours with the discharge being held constant at 5,957.2 m^3/day. The first one,
89.85 meters from the test well, has a draw-down of 0.69 meters. The second one, 48 meters from the test well, has a draw-down of 1.2 meters. The static water table penetrates the well to a depth of 25 meters. Determine the radius of influence of
the aquifer in meters. Round off to three decimal places.
Transcribed Image Text:Yuri wants to determine the permeability of an aquifer. The aquifer has a test well 300-mm in diameter with two observation wells. A pumping test was conducted for 24 hours with the discharge being held constant at 5,957.2 m^3/day. The first one, 89.85 meters from the test well, has a draw-down of 0.69 meters. The second one, 48 meters from the test well, has a draw-down of 1.2 meters. The static water table penetrates the well to a depth of 25 meters. Determine the radius of influence of the aquifer in meters. Round off to three decimal places.
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