Problem 4. A drainage channel (n = 0.018) has a bottom width of 5 ft and side slopes ofm = 2. The flow is 65.0 cfs and the slope is 0.0025.a. Calculate normal depth for the channel.b. Calculate the Froude Number. Is the flow subcritical or supercritical?

Answered: Problem 4. A drainage channel (n =…

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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o T ☺ t X A compound channel is designed with a semi-circular having a radius of 0.5 m and a rectangular channel attached to it. Calculate the depth of flow, Y, through the cross section of a channel shown in Figure 1 where the bed slope, S, is given as 0.005 and having the discharge, Q of 20 m'/s. Take the value of Manning's roughness coefficient as 0.012. 0.5 m 2m Im 2m Figure 1 (Not to scale) مور للأعلى لايتعراض الفلاتر إضافة شرح. . . hayndak <
In a circular channel 2.5meters in diameter, flowing below half full, the water surface width is 2.415meter in length. a.Compute the hydraulic radius. b.The channel is laid on a grade of 24.146meters per mile; compute its discharge using Manning’s formula withn= 0.025. c.For flow as in (b), compute the C value in the Chezy formula. d.Using C in (c), and for flow as in (b), compute the value of Kutter’s nin the Kutter’s C formula. Simplify your solution, no solution by calculator or shift solve. e.Compute the maximum velocity that may occur for the given circular channel using as in (d) and Manning’s formula.
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1 2 3 4 6 6 6 6 7 6 9 Dimensions in the figure are in meters. With the given dimensions and Manning coefficients, determine the channel's flow rate and the channel's effective Manning coefficient. Water is flowing on a channel whose bottom slope is 0.002. The cross-section of the channel is shown in the figure. The channel has an unfinished cement surface (n = 0.014) at subsections 1 and 2 and a light brush (n = 0.05) at subsection 3. 9
Determine the size of a circular concrete pipe (n = 0.013) to carry 150 ft³/s of stormwater on a slope of 0.007. What is the depth of flow in the pipe? S 1.0 0.8 0.6 0.4 0.2 0.0 D 0.0 0.2 0.4 0.6 Q'2p² 0.8 1.0 Figure 5.3 Discharge in a circular pipe flowing partially full with Manning "" as a function of water depth.
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A. Design a trapezoidal channel to carry a discharge of 10.5 m^3/s. The bottom slop of the channel is 0.0035. Also the flow depth is half of the channel bottom width. Take roughness coefficient as 0.025 and side slop as 1H to 4V. B. Based on the given information and your results in part A, compute the state of flow
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2.1. A trapezoidal channel conveys 15 m³/s of water on a bed slope of 1 in 300. The base width of the channel is 5 m and the side slope is 2 m. Assume a Manning's roughness coefficient (n) of 0.018. Calculate: (a) Calculate the normal flow depth and discharge. (b) Calculate Reynold's and Froude Numbers. (c) Comment on the applicability of Manning's Equation.
Determine the other alternated depth in meters of the rectangular channel section (width = 3 meters) with a different flow rate. Section 1 depth = 3m Section 1 flow rate = 10 m3/s Section 2 flow rate = 20 m3/s Pls show solution

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Problem 4. A drainage channel (n = 0.018) has a bottom width of 5 ft and side slopes of m = 2. The flow is 65.0 cfs and the slope is 0.0025. a. Calculate normal depth for the channel. b. Calculate the Froude Number. Is the flow subcritical or supercritical?