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. The radius of influence is and the maximum drawdown is 6.18 m. 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.
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. The radius of influence is and the maximum drawdown is 6.18 m. 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.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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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. The radius of influence is and the maximum drawdown is 6.18 m. 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.
Transcribed Image Text: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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