A 300 mm diameter test well penetrates 27 m below the static water table. After 24 hours of pumping at 69 liters/sec, the water level in an observation well at a distance of 95 m from the test well is lowered 0.5 m and the other observation well at a distance of 35 m from the test well, the drawdown is 1.1 m. Compute the transmissibility of the aquifer in m2/day. 1631.48 1745.90 O 1579.04 1507.52

A 300 mm diameter test well penetrates 27 m below the static water table. After 24 hours of pumping at 69 liters/sec, the water level in an observation well at a distance of 95 m from the test well is lowered 0.5 m and the other observation well at a distance of 35 m from the test well, the drawdown is 1.1 m. Compute the transmissibility of the aquifer in m2/day. 1631.48 1745.90 O 1579.04 1507.52

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter6: Hydraulic Conductivity

Section: Chapter Questions

Problem 6.15P

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A pump well is dug through a confined aquifer having a thickness of 32 meters. The piezometric surface of the aquifer is 18 meters measured from the top impermeable layer. The first observation well is 75 feet directly west of the pump well and the second observation well is 75 feet directly north of the first observation well. Determine the hydraulic conductivity of the aquifer if it supplies a discharge of 10 liters per second and the drawdown of the observation wells are 13 feet and 23 feet.
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