A reservoir surface covers an area of 850 km2 and has an average depth of 18.7 m. The inflow of the reservoir is from a river with an average flow rate of 2500m3/s and an average suspended-sediment concentration of 250 mg/l. Estimate the rate at which the depth of the reservoir is decreasing due to sediment accumulation and the time it will take for the reservoir storage to decrease by 10%. Assume that the accumulated sediment has a bulk density of 1600 kg/m3.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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A reservoir surface covers an area of 850
km2 and has an average depth of 18.7 m.
The inflow of the reservoir is from a river
with an average flow rate of 2500m3/s and
an average suspended-sediment
concentration of 250 mg/l. Estimate the
rate at which the depth of the reservoir is
decreasing due to sediment accumulation
and the time it will take for the reservoir
storage to decrease by 10%. Assume that
the accumulated sediment has a bulk
density of 1600 kg/m3.
Transcribed Image Text:A reservoir surface covers an area of 850 km2 and has an average depth of 18.7 m. The inflow of the reservoir is from a river with an average flow rate of 2500m3/s and an average suspended-sediment concentration of 250 mg/l. Estimate the rate at which the depth of the reservoir is decreasing due to sediment accumulation and the time it will take for the reservoir storage to decrease by 10%. Assume that the accumulated sediment has a bulk density of 1600 kg/m3.
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