An open channel has a vee shaped cross section with sides inclined at an angle of 60° to the vertical. If the rate of flow is 80 dm³ s-¹ when the depth at the centre is 0.25 m, what must be the slope of the channel assuming Chezy's constant is 45 in SI units.

An open channel has a vee shaped cross section with sides inclined at an angle of 60° to the vertical. If the rate of flow is 80 dm³ s-¹ when the depth at the centre is 0.25 m, what must be the slope of the channel assuming Chezy's constant is 45 in SI units.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Concept explainers

Highway Drainage

Highway drainage is the process of extracting and regulating the excess surface water on the pavement by giving the desired slope. The construction of a highway drain helps to divert the water present on the surface, and sub-grade by the means of slope. Highway drainage systems are a necessary part of smooth functioning of traffic, since the highway drainage systems provide proper disposal of unwanted substances from the highways.

Question

An open channel has a vee shaped cross section with sides inclined at an
angle of 60° to the vertical. If the rate of flow is 80 dm³ s¹ when the depth
at the centre is 0.25 m, what must be the slope of the channel assuming
Chezy's constant is 45 in SI units.

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