Answered: Wellpoint- Flow Original GWL 2 m…

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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Question

A well of 0.1 m radius is part of a wellpoint network to keep an excavation dry. The groundwater at the far edge of the excavation must be 0.5 m below the base. calculate the radius of influence and the maximum drawdown anplot the drawdown curve. For the radius of influnce calculate the discharge if the well radius increase to 0.2 m, and compare it to the discharge for the 0.1 m radius well.

Wellpoint-
Flow
Original GWL
2 m
Excavation
0.1 m
Drawdown
8 m
0.5 m
k = 5.8 x 105 m's
4, = 13.2 x 104 m³ls
8 m
Impermeable

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