Example 1 Determine the critical depth for water flowing at 10 m³/s in a trapezoidal channel with bottom width 3 m and side slopes of 2:1 (H:V). Solution The channel cross section is illustrated in Figure 4.8, where the depth of flow is y, and the top width, T, and flow area, A, are given by T=3+ 4y A=3y + 2y²

Example 1 Determine the critical depth for water flowing at 10 m³/s in a trapezoidal channel with bottom width 3 m and side slopes of 2:1 (H:V). Solution The channel cross section is illustrated in Figure 4.8, where the depth of flow is y, and the top width, T, and flow area, A, are given by T=3+ 4y A=3y + 2y²

Structural Analysis

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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

Example 1
Determine the critical depth for water flowing at 10 m³/s in a trapezoidal channel with bottom width
3 m and side slopes of 2:1 (H:V).
Solution The channel cross section is illustrated in Figure 4.8, where the depth of flow is y, and the
top width, T, and flow area, A, are given by
T=3+ 4y
A=3y + 2y²

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