PLease answer hydrology question, will thumbs up if correct. make sure it is correct please if answer. A discharge of 2,200 ft/s flows in a trapezoidal channel at a normal depth of 8.0 ft. The channel has aslope of 0.01, a 12-ft bottom width, and side slopes of 1:1 (H:V). Determine the Manning coefficient ofchannel roughness.

Step 1: Calculate the radius and area For trapezoidal channel ;The area is given by ;A=(b+my)ywhere…

Answered: A discharge of 2,200 ft/s flows in a…

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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A trapezoidal is shown below. The particulars of the channel are as such: • Side slopes are 1 in 0.5 m. Manning's n = 0.015 • Slope of channel is 1 m in 1 km 0.5 b a. Using a value of 5 m for the bottom width and a normal depth of flow of 2 m, determin the following: i. ii. iii. Discharge Mean Velocity Reynolds No. b. If the discharge were 35 m³/s and bottom width was 5m, what would the normal depth of flow be? All other conditions remain the same.
5. A uniform flow of 110,000 ft³/s is measured in a natural channel that is approximately rectangular in shape with a 2650-ft width and 17.5 ft depth. The water-surface elevation drops 0.37 ft per mile. Based on the computed Manning coefficient, n, characterize the type of natural channel observed. Also compute the Froude number and determine whether the flow is subcritical or supercritical.
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
Find the normal depth for a discharge of 350cfs in a rectangular channel with a bottom widith of 20 ft. The channel is concrete lined (n=0.013) with a slope of 0.75%. Use mannings equation
an emergency spillway for a detention basin is constructed as a trapezoidal channel with bottom width of 3 m and side slopes of 2 horizontal to 1 vertical lines with grass (n=0.040). The elevation of the crest of the emergency spillway is 150 m. The slope of the channel is 0.0080 m/m. Compute a chart showing the relationship between reservoir elevation and discharge into the channel
Question 11 of 23 A discharge of 1.2 m3/s flows on an open channel with a slope of 0.0062. If the coefficient of roughness is 0.0123, compute the depth of the channel for an optimum discharge for a triangular section. Select the correct response: 0.49 m 0.41 m 0.51 m 0.69 m < Previous Continuo
Water flows in a trapezoidal channel in which the bottom width is 6 m and the side slopes are 2:1 (H:V). The channel lining has an estimated Manning n of 0.045, and the longitudinal slope of the channel is 1.5 %. When the flow rate is 80 m3/s, the depth of flow at a gaging station is 5 m. Classify the water-surface profile, state whether the depth increases or decreases in the downstream direction
** Please do not put the n value as 0.024 it is incorrect. Also, please remember to identify the channel type.
14.12
cross-sectional area of the channel. 5. Refer to the following channel cross section. Normal depth is 1.50 feet. (a) What is the cross-sectional area of flow? (b) What is the wetted perimeter? (c) What is the hydraulic radius? -8.5'- 1.50' -2.5' 2.5'- -4.5'- 00ation ntion Normal denth is 3 0 fee O Cengage Learning 2014
3. A wide rectangular channel (n=0.015) carries a discharge intensity of 2.5 m³/s/m. The bed slope of the channel is 0.005. Determine whether the channel type is mild, steep or critical.

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A discharge of 2,200 ft/s flows in a trapezoidal channel at a normal depth of 8.0 ft. The channel has a slope of 0.01, a 12-ft bottom width, and side slopes of 1:1 (H:V). Determine the Manning coefficient of channel roughness.