During the design storm, a detention basin receives a flow rate of 0.2 m3/s. Assuming a sediment specific gravity of 2.65, determine :a) the surface area needed to capture particles 0.10 mm in diameter and larger, and b) the resulting overall trapping efficiency of the basin given the sediment distribution listed below: Size Range (mm) Representative Diameter (mm) Fractional Content 0.001-0.010 0.006 0.25 0.010-0.100 0.055 0.40 0.100-0.500 0.300

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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  1. During the design storm, a detention basin receives a flow rate of 0.2 m3/s. Assuming a sediment specific gravity of 2.65, determine :a) the surface area needed to capture particles 0.10 mm in diameter and larger, and b) the resulting overall trapping efficiency of the basin given the sediment distribution listed below:

Size Range (mm)

Representative Diameter (mm)

Fractional Content

0.001-0.010

0.006

0.25

0.010-0.100

0.055

0.40

0.100-0.500

0.300

0.35

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