Answered: Determine the dimension of the channel…

Determine the dimension of the channel using tractive force method by using a ratio of Boly = 8 and the sketch of channel cross section.

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

5- A moderately curved channel with a slightly rounded non-cohesive bed material with a
particle size of d = 15 mm carrying a discharge of 30 m³/s. The longitudinal slope of the
channel is 0.002 and the side wall slopes are equal to 60% of the angle of repose.
(a) Determine the dimension of the channel using tractive force method by using a ratio of
Boly = 8 and the sketch of channel cross section.
(b) Does the channel erode?
(c) Provide your engineering comments to prevent the possible erosion (if any) and
improve the channel design.
Note: Use the Strickler's formula to calculate Manning's value.
Use the Swammy and Mittal's formula to estimate the critical shear stress.

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