Calculate the discharge through the channel and the floodway (shown in the Figure below) for steady uniform flow, with S= 0.0009 and y = 8 ft. n=0.025 12 m 5 m [Σ, Pin n=0.040 1 Pin²+ Propags 120 m Use the following equivalent channel roughness formula due to Pavlovskii (1931)* ne = Side slopes 1:1 For 25,000 cfs flow through the channel above, find the depth of flow in the floodway when the slope of the energy grade line is 0.0004.

Calculate the discharge through the channel and the floodway (shown in the Figure below) for steady uniform flow, with S= 0.0009 and y = 8 ft. n=0.025 12 m 5 m [Σ, Pin n=0.040 1 Pin²+ Propags 120 m Use the following equivalent channel roughness formula due to Pavlovskii (1931)* ne = Side slopes 1:1 For 25,000 cfs flow through the channel above, find the depth of flow in the floodway when the slope of the energy grade line is 0.0004.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

*hydraulics *use handwritten A rectangular channel 5.50 m wide and 1.30 m deep is laid on a uniform slope of 0.002. The roughness coefficient of the channel is 0.013. 1.) Which of the following most nearly gives the rate of flow in the channel in m^3/s. Choices are A.) 21.04 B.) 13.02 C.) 1.03 D.) 22.63 E.) 0.24 F.)0.67 2.) Which of the following most nearly gives the saving’s in lining per meter length of channel that could have been offered by using the most efficient rectangular section but adhering to the same flow capacity and slope in m^2/s. Choices are A.) 21.04 B.) 13.02 C.) 1.03 D.) 22.63 E.) 0.24 F.)0.67 3.) Which of the following most nearly gives the savings in earth excavation per meter length of channel that could have been offered by using the most efficient rectangular Section but adhering to the same flow capacity and slope in m^3/s. Choices are A.) 21.04 B.) 13.02 C.) 1.03 D.) 22.63 E.) 0.24 F.)0.67
A compound channel in Figure Q2(b) has bottom slope of 0.6- percent . Calculate velocity and discharge of the channel if Kutter coefficient n is 0.042.
The base of the artificial channel has a bottom width of 3m and sides with a slope of 1 vertical to 2 horizontal. The depth of water being predicted/estimated is 1.2m when the discharge is 3.51m3/s. Using Manning's equation with n = 0.022 a. Calculate the slope of the channel bed.b. Calculate the discharge in m3/s when the depth of flow is 1.3m.
1. A 3.1 – m wide rectangular flume carries water at 5.60 m3/s. The bed slope is 0.00078 and n = 0.010. At a certain section, the depth is 92 cm. a. How far therefrom is the depth 80 cm? b. What is the slope of the egl? c. What is the headloss? 2. A rectangular channel 1.8 m wide conveys water at a depth of 1.2 m. a. What is the velocity of flow if it is laid on a slope of 0.002 and n= 0.012? b. What is the discharge if the channel slopes 0.1° and n = 0.016? Use Kutter’s formula for C. c. What is the velocity of flow if S = 0.000263 and f = 0.02?
The flowrate per unit width (q = Q/b) in a wide rectangular channel is q = 4 m2/s. Is the flow subcritical or supercritical if the depth is: (a) 0.8 m, (b) 3.2 m? Show all calculations.
Question-05:A trapezoidal notch having bottom width of 1.0 m is installed in a 2.0 m X 2.0 m rectangular channel. Solve fordischarge through the notch in cubic meter per minute if the depth of water flowing in the notch is 1.5 m. Takethe coefficient of discharge for the notch as 0.64.
*hydraulics *use handwritten A rectangular channel 5.50 m wide and 1.30 m deep is laid on a uniform slope of 0.002. The roughness coefficient of the channel is 0.013. Which of the following most nearly gives the saving’s in lining per meter length of channel that could have been offered by using the most efficient rectangular section but adhering to the same flow capacity and slope in m^2/s. Choices are A.) 21.04 B.) 13.02 C.) 1.03 D.) 22.63 E.) 0.24 F.)0.67 note: the unit should be in m^2/s.
*hydraulics *use handwritten A rectangular channel 5.50 m wide and 1.30 m deep is laid on a uniform slope of 0.002. The roughness coefficient of the channel is 0.013. Which of the following most nearly gives the saving’s in lining per meter length of channel that could have been offered by using the most efficient rectangular section but adhering to the same flow capacity and slope in m^2/s. Choices are A.) 21.04 B.) 13.02 C.) 1.03 D.) 22.63 E.) 0.24 F.)0.67 Which of the following most nearly gives the savings in earth excavation per meter length of channel that could have been offered by using the most efficient rectangular Section but adhering to the same flow capacity and slope in m^3/s. Choices are A.) 21.04 B.) 13.02 C.) 1.03 D.) 22.63 E.) 0.24 F.)0.67
*Civil engineering- Hydraulics *Use handwritten What are the most economical dimensions for a rectangular brick channel designed to carry 10 m3/s of water with a uniform flow? Use n= 0.015 and S=0. 001. Choices: A. b = 4.32 m, d= 2.15 m B. b = 3.28 m, d = 1.64 m C. b = 2.92 m, d = 1.47 m D. b = 3.86 m, d= 1.91 m Water flows in a trapezoidal channel and running full. If the channel has a discharge of 8.0 m^3/s, find the base width for the most effictent section. Use n= 0.012 and S = 0.0008. Choices: A. 2.66 m B. 2.33 m C. 1.77 m D. 1.53 m
SITUATION 10: Water is flowing at a depth of 1.5 m in a 3 m wide rectangular channel having n=0.013 and s=0.009.30. What is the stage of flow? a. supercritical b. turbulent c. laminar d. subcritical31. Determine the critical slope. a. 0.0324 b. 0.00423c. 0.00324 d. 0.042332. Determine the critical depth. a. 0.58 m b. 2.86 m c. 3.04 m d. 0.94 m
Calculate the depth d in which the discharge (Q = 1.5 m / sec) will flow through the channel with trapezoid - shaped cross section. Width of the channel bed is (b = 2 m), slope of bed (S = 0.05%), sides slope is (Z = 1.5). The channel is excavated in gravel sends in which the roughness coefficient is (n = 0.0247).
A trapezoidal channel has a bottom width of 5.0m and its sideslopes at an angle of 45o. If the depth of flow is 2.0 m calculatethe area of flow A, the wetted perimeter P, and the hydraulicradius R. If the flow is expected to be critical calculate thedischarge in the channel.