Ihe excavation has to be kept dry. Determine the flow rate (q) nto the
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:An excavation is proposed for a square area near the bend of a river as shown in Fig.
P6.9. It is expected that the flow of water into the excavation will come through the silt
layer. Pumping tests reveal an average horizontal hydraulic conductivity of 2 x 10 cm/s
in the silt layer. The excavation has to be kept dry. Determine the flow rate (q) into the
excavation.
12.8 m
River
8 m
Average width 10.4 m
Excavation
Plan
Slo
4 m
Excavation
Silt
Cross section a-a.
Not to scale
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