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b) The normal depth of flow in a 5.0 m wide rectangular channel shown in Figure 3 below is 1.0 m. The channel is laid at a slope of Im/km and has Manning's n of 0.02. Calculate the discharge and velocity in this channel associated with normal flow conditions.

b) The normal depth of flow in a 5.0 m wide rectangular channel shown in Figure 3 below is 1.0 m. The channel is laid at a slope of Im/km and has Manning's n of 0.02. Calculate the discharge and velocity in this channel associated with normal flow conditions.

Structural Analysis
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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3) b) The normal depth of flow in a 5.0 m wide rectangular channel shown in Figure 3 below is 1.0 m. The channel is laid at a slope of Im/km and has Manning's n of 0.02. Calculate the discharge and velocity in this channel associated with normal flow conditions. c) At a point downstream of that in part (b) above, there is a weir, Az is 0.5 m in height. If the section properties of the channel remains the same as in part (b), determine yı the depth of flow just before the weir. Assume negligible headloss across the weir and critical flow occurs over the weir. (yı lies between 1.2- 1.3 m) YA AZ Y2 Y2 for Q = const AZ Figure 3- Question 3 (b) and 3 (c)
Transcribed Image Text:3) b) The normal depth of flow in a 5.0 m wide rectangular channel shown in Figure 3 below is 1.0 m. The channel is laid at a slope of Im/km and has Manning's n of 0.02. Calculate the discharge and velocity in this channel associated with normal flow conditions. c) At a point downstream of that in part (b) above, there is a weir, Az is 0.5 m in height. If the section properties of the channel remains the same as in part (b), determine yı the depth of flow just before the weir. Assume negligible headloss across the weir and critical flow occurs over the weir. (yı lies between 1.2- 1.3 m) YA AZ Y2 Y2 for Q = const AZ Figure 3- Question 3 (b) and 3 (c)
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