A 45 cm diameter well penetrates an unconfined aquifer of 30 m thick. Under the steady pumping rate for a long time, the drawdowny at two observation wells 10 m and 20 m from the pumping well are 5 m and 3.5 m respectively. What will be the discharge (cubic metre), if the permeability of the aquifer is given as 20 ml day?

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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A 45 cm diameter well penetrates an unconfined aquifer of 30
m thick. Under the steady pumping rate for a long time, the
drawdowny at two observation wells 10 m and 20 m from the
pumping well are 5 m and 3.5 m respectively. What will be
the discharge (cubic metre), if the permeability of the aquifer
is given as 20 ml day?
Transcribed Image Text:A 45 cm diameter well penetrates an unconfined aquifer of 30 m thick. Under the steady pumping rate for a long time, the drawdowny at two observation wells 10 m and 20 m from the pumping well are 5 m and 3.5 m respectively. What will be the discharge (cubic metre), if the permeability of the aquifer is given as 20 ml day?
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