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A fully penetrating well in an unconfined aquifer is pumped continuously so that the steady state drawdown is 12 m. The water table is at a height of 55 m above the bot of the aquifer, which has a hydraulic conductivity of 22 m/d. The diameter of the w 0.25 m. (a) If the pumping rate has no effect on the water table at a distance of 1.2 km from pumping well, determine the pumping rate. Answer: m' per hour (b) Determine the drawdown in an observation well 600 m away from the pumping

A fully penetrating well in an unconfined aquifer is pumped continuously so that the steady state drawdown is 12 m. The water table is at a height of 55 m above the bot of the aquifer, which has a hydraulic conductivity of 22 m/d. The diameter of the w 0.25 m. (a) If the pumping rate has no effect on the water table at a distance of 1.2 km from pumping well, determine the pumping rate. Answer: m' per hour (b) Determine the drawdown in an observation well 600 m away from the pumping

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 fully penetrating well in an unconfined aquifer is pumped continuously so that the steady state drawdown is 12 m. The water table is at a height of 55 m above the bottom of the aquifer, which has a hydraulic conductivity of 22 m/d. The diameter of the well is 0.25 m. (a) If the pumping rate has no effect on the water table at a distance of 1.2 km from the pumping well, determine the pumping rate. Answer: m' per hour (b) Determine the drawdown in an observation well 600 m away from the pumping well Answer: m (c) Determine the travel time from the observation well to the pumping well if the aquifer has a porosity of 0.3. Answer: days
Transcribed Image Text:A fully penetrating well in an unconfined aquifer is pumped continuously so that the steady state drawdown is 12 m. The water table is at a height of 55 m above the bottom of the aquifer, which has a hydraulic conductivity of 22 m/d. The diameter of the well is 0.25 m. (a) If the pumping rate has no effect on the water table at a distance of 1.2 km from the pumping well, determine the pumping rate. Answer: m' per hour (b) Determine the drawdown in an observation well 600 m away from the pumping well Answer: m (c) Determine the travel time from the observation well to the pumping well if the aquifer has a porosity of 0.3. Answer: days
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