5.22. A trapezoidal channel is to be excavated on a slope of0.1% and have a design discharge of 35 m³/s. Right-of-way constraints require the top width of the channel tobe 17 m, and the channel is expected to consist of cleangravel (moderately angular) with a 75-percentile diame-ter of 3 cm. If freeboard is taken to be zero, determinethe required bottom width and side slopes of the chan-nel. Is the required channel practical?

given- a trapezoidal channel excavated on a slope of 0.1% slope required- to find bottom width and…

Answered: ter of 3 cm. If freeboard is taken to…

Engineering

Civil Engineering

ter of 3 cm. If freeboard is taken to be zero, determine the required bottom width and side slopes of the chan-

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

Beams

In structural engineering, a beam is a component made of a variety of materials (including steel alloys, and wood) that can resist loads applied laterally to the beam axis. Members, elements, rafters, shafts, and purlins are all terms used to describe beams.

Question

5.22. A trapezoidal channel is to be excavated on a slope of
0.1% and have a design discharge of 35 m³/s. Right-of-
way constraints require the top width of the channel to
be 17 m, and the channel is expected to consist of clean
gravel (moderately angular) with a 75-percentile diame-
ter of 3 cm. If freeboard is taken to be zero, determine
the required bottom width and side slopes of the chan-
nel. Is the required channel practical?

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