Q2. A pumping tests are carried out using testing well (pumping well for testing only) and twoobservational wells. The observation wells were installed at 10 and 30.5 m, respectively, fromthe testing well. In both wells, the initial piezometric head was 36.2 m. The pumping proceededat a rate of 0.19 m³/s. After few days the piezometric head stabilized at 30.7 m and 32.9 m in thefirst and second observational wells, respectively. Determine:a. Transmissivity of the aquifer.b. The well radius of influence.c. The maximum drawdown if the well radius is 0.47 m.

Given data- Distance of observation wells from the aquifer r2=30.5m, r1=10m Initial Head H=36.2m…

Q2. A pumping tests are carried out using testing well (pumping well for testing only) and two observational wells. The observation wells were installed at 10 and 30.5 m, respectively, from the testing well. In both wells, the initial piezometric head was 36.2 m. The pumping proceeded at a rate of 0.19 m/s. After few days the piezometric head stabilized at 30.7 m and 32.9 m in the first and second observational wells, respectively. Determine: a. Transmissivity of the aquifer. b. The well radius of influence. c. The maximum drawdown if the well radius is 0.47 m.

Q2. A pumping tests are carried out using testing well (pumping well for testing only) and two observational wells. The observation wells were installed at 10 and 30.5 m, respectively, from the testing well. In both wells, the initial piezometric head was 36.2 m. The pumping proceeded at a rate of 0.19 m/s. After few days the piezometric head stabilized at 30.7 m and 32.9 m in the first and second observational wells, respectively. Determine: a. Transmissivity of the aquifer. b. The well radius of influence. c. The maximum drawdown if the well radius is 0.47 m.

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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