2. In the design of a borehole, the radius of influence R cannot be established precisely and, therefore, is commonly assumed to be 200 m. For a well of radius, rw 250 mm and transitivity T= 0.0208 s1 that is to supply 15 m/hr, determine: i. Drawdown below which the pump must be placed ii. The percentage error in drawdown if the correct radius of influence was 300 m. 2.72TZW Assume the borehole yield Q) %3D log. R /r

2. In the design of a borehole, the radius of influence R cannot be established precisely and, therefore, is commonly assumed to be 200 m. For a well of radius, rw 250 mm and transitivity T= 0.0208 s1 that is to supply 15 m/hr, determine: i. Drawdown below which the pump must be placed ii. The percentage error in drawdown if the correct radius of influence was 300 m. 2.72TZW Assume the borehole yield Q) %3D log. R /r

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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