Answered: determine the maximum flow rate

Engineering

Civil Engineering

determine the maximum flow rate

Traffic and Highway Engineering

5th Edition

ISBN:9781305156241

Author:Garber, Nicholas J.

Publisher:Garber, Nicholas J.

Chapter16: Highway Drainage

Section: Chapter Questions

Problem 17P

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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 existing triangular channel has a depth of 2 m and side slopes of 4:1 (H:V), a longitudinal slope of 1%, and is lined with a new type of Bermuda grass which has a retardance classification of C and maximum permissible shear stress of 98.9 Pa. Use the alternative retardance based approach to determine the maximum flow rate that can be handled by this channel?

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