1.15 m diameter pumping well penetrates vertically through a confined aquifer which is 42 m thick. While pumping at a rate of 2880 m3/day, the drawdown in an observation well 20 m away is 2.0 m. In another observation well, that is located 60m away, the drawdown is 0.45m. Initial piezometric level is 52m above the datum. Determine: The approximate head in the pumping well for steady state condition?The approximate drawdown in the pumping well ? The transmissivity of the aquifer ? The radius of influence of the pumping well?
1.15 m diameter pumping well penetrates vertically through a confined aquifer which is 42 m thick. While pumping at a rate of 2880 m3/day, the drawdown in an observation well 20 m away is 2.0 m. In another observation well, that is located 60m away, the drawdown is 0.45m. Initial piezometric level is 52m above the datum. Determine: The approximate head in the pumping well for steady state condition?The approximate drawdown in the pumping well ? The transmissivity of the aquifer ? The radius of influence of the pumping well?
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A 1.15 m diameter pumping well penetrates vertically through a confined aquifer which is 42 m thick. While pumping at a rate of 2880 m3/day, the drawdown in an observation well 20 m away is 2.0 m. In another observation well, that is located 60m away, the drawdown is 0.45m. Initial piezometric level is 52m above the datum. Determine: The approximate head in the pumping well for steady state condition?The approximate drawdown in the pumping well ? The transmissivity of the aquifer ? The radius of influence of the pumping well?
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