A 3.05 m wide, rectangular channel (n = 0.012) with a 0.0049 slope is able to move 13.6 m3/s of water. The channel narrows in order to create a critical flow. If the losses resulting from the steady reduction of width are disregarded, what width does the contracted section need to have in order to satisfy this condition?

A 3.05 m wide, rectangular channel (n = 0.012) with a 0.0049 slope is able to move 13.6 m3/s of water. The channel narrows in order to create a critical flow. If the losses resulting from the steady reduction of width are disregarded, what width does the contracted section need to have in order to satisfy this condition?

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.

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A 3.05 m wide, rectangular channel (n = 0.012) with a 0.0049 slope is able to move 13.6 m3/s of water. The channel narrows
in order to create a critical flow. If the losses resulting from the steady reduction of width are disregarded, what width does the
contracted section need to have in order to satisfy this condition?

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