Question
Download Solution PDFIf the hydraulic radius of a river is 2 m and longitudinal bed slope of the channel is 0.0001, what will be the expected smallest size of the sediment particles on the bed of the river?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept:
The minimum size of sediment that may remain stable in a channel with hydraulic radius R and bottom slope S, is
d ≥ 11 RS
Where R = hydraulic radius and S = bed slope
Calculation:
Given data,
R = 2 m = 2000 mm
S = 0.0001
The expected smallest size of the sediment particles on the bed of the river is
d ≥ 11 RS
d ≥ 11× 2000 × 0.0001
d ≥ 2.2 mm
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