An urban drainage consists of an underground pipe of diameter d=0.9m laid on a slope of 0.002 and discharges the flood discharge at a depth of 0.8d. If the Manning’s roughness coefficient of the pipe is n= 0.015, what is the magnitude of the flood discharge. Determine also: i) the normal depth flow ii) ) the critical depth corresponding to this flow iii) the Froude number of flow and iv) the type of flow

Structural Analysis
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Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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An urban drainage consists of an underground pipe of diameter d=0.9m laid on a slope of 0.002 and discharges the flood discharge at a depth of 0.8d. If the Manning’s roughness coefficient of the pipe is n= 0.015, what is the magnitude of the flood discharge.

Determine also:

i) the normal depth flow

ii) ) the critical depth corresponding to this flow

iii) the Froude number of flow and

iv) the type of flow

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