26: ( ) A 40 cm well fully penetrated an unconfined aquifer of saturated depth 15 m. when a discharge of 1200 Ipm was being pumped for a long time, observed wells at redial distances of 25 and 100 m indicated of 7 and 4 m respectively. Estimate the coefficient of permeability of the aquifer. What is the drawdown at the pumping well?

26: ( ) A 40 cm well fully penetrated an unconfined aquifer of saturated depth 15 m. when a discharge of 1200 Ipm was being pumped for a long time, observed wells at redial distances of 25 and 100 m indicated of 7 and 4 m respectively. Estimate the coefficient of permeability of the aquifer. What is the drawdown at the pumping well?

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter7: Permeability

Section: Chapter Questions

Problem 7.22P: Refer to Figure 7.24. The following data were collected during the field permeability measurement of...

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