Example 2.2 A 3 m wide trapezoidal irrigation channel shown in Figure 4 with side slopes (1:2) carries water at a flow depth of 1.2 m. Manning's roughness coefficient and bottom slope are 0.023 and 0.033 respectively. Determine the following: a. Flow velocity, and Discharge 1.2 m 3 m Step 1: Determine the top width Figure 4

Structural Analysis
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ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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Example 2.2
A 3 m wide trapezoidal irrigation channel shown in Figure 4 with side slopes (1:2)
carries water at a flow depth of 1.2 m. Manning's roughness coefficient and bottom
slope are 0.023 and 0.033 respectively. Determine the following:
a. Flow velocity, and Discharge
1.2 m
3 m
Step 1: Determine the top width
Figure 4
Transcribed Image Text:Example 2.2 A 3 m wide trapezoidal irrigation channel shown in Figure 4 with side slopes (1:2) carries water at a flow depth of 1.2 m. Manning's roughness coefficient and bottom slope are 0.023 and 0.033 respectively. Determine the following: a. Flow velocity, and Discharge 1.2 m 3 m Step 1: Determine the top width Figure 4
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