WATER RESOURCES ENGINEERING
3rd Edition
ISBN: 9781119490579
Author: Mays
Publisher: WILEY
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Chapter 5, Problem 5.1.8P
To determine
Design of the trapezoidal concrete channel.
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CEN 352 Hydraulic 2
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A hydraulic jump is formed in a triangular channel with 1:1 side slope, and carrying a discharge of 6.0 m3/s. Construct the specific force diagram and Find the critical depth.
Determine the best hydraulic section for rectangular channel that can carry 3.33m3/s.
A trapezoidal channel is 10.0 m wide at the base and has a side slope of 4 horizontal to 3 verticals. The bed slope is 0.002, The channel is lined with smooth concrete (Manning's N = 0.012). The hydraulic radius (in m) for a depth of flow of 3 m is-
Chapter 5 Solutions
WATER RESOURCES ENGINEERING
Ch. 5 - Prob. 5.1.1PCh. 5 - Prob. 5.1.2PCh. 5 - Prob. 5.1.3PCh. 5 - Prob. 5.1.4PCh. 5 - Prob. 5.1.5PCh. 5 - Prob. 5.1.6PCh. 5 - Prob. 5.1.7PCh. 5 - Prob. 5.1.8PCh. 5 - Prob. 5.1.9PCh. 5 - Prob. 5.2.1P
Ch. 5 - Prob. 5.2.2PCh. 5 - Prob. 5.3.1PCh. 5 - Prob. 5.3.2PCh. 5 - Prob. 5.3.3PCh. 5 - Prob. 5.3.4PCh. 5 - Prob. 5.3.5PCh. 5 - Prob. 5.3.6PCh. 5 - Prob. 5.4.1PCh. 5 - Prob. 5.4.2PCh. 5 - Prob. 5.5.1PCh. 5 - Prob. 5.5.2PCh. 5 - Prob. 5.5.3PCh. 5 - Prob. 5.5.4PCh. 5 - Prob. 5.5.5PCh. 5 - Prob. 5.5.6P
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- A trapezoidal section of 2 m bottom width, carries a discharge of 4 M3/s. The channel’s raughness is 0.025. What is the condition of the best hydraulic section to calculate the channel bottom slope?arrow_forwardDesign a straight trapezoidal erodible channel that can carry a discharge of 12.5m^3/s using tractive force method based on the following information. The side slope is 1V:4H The bottom slope is 0.0015 The manning's roughness coefficient is 0.024 The critical shear stress as 7.2KN/m^2 Angle of repose is 23 Density of water 1000kg/m^3arrow_forwardDetermine the best hydraulic section of trapezoidal channel that can carry 3.33 m3/s.arrow_forward
- Q/ Determine the bed slope of unlined cannel with a mean velocity of 0.8 m / sec and a discharge of 10.0 m3 / sec , b / d = 2.0 , S : S = 1.5 : 1 .arrow_forwardDesign a semi-circular open channel (n=0.014) that is anticipated to convey 25cumecs of water. The slope of the channel bed is 0.0015. Solve the hydraulic depth of the designed section.arrow_forward9. Determine the best hydraulic section for trapezoidal channel that can carry 200 m3 /min.arrow_forward
- A masonry dam having a sheet piling cutoff at the upstream and is located at a reservoir site as shown in the figure. Nf= 4; Nd= 10 and K= 0.003m/min 1) compute the seepage discharge in cu MTR/day 2) compute the uplift force acting on the base; 3) compute the exit or escape gradient of the water at the downstream tip of the dam if the length of the flow field is equal to 1.80marrow_forwardA trapezoidal channel is 6.0m wide and has side slope of 0.5 H:I V. If the bed slope of the channel is 0.0004 and the Manning's n=0.02, find the discharge which can make the channel a hydraulically efficient section.arrow_forwardDetermine the depth of the trapezoidal canal with sides sloping at 60ᵒ with the horizontal in order to have a minimum seepage. The canal is to carry a discharge of 25 m3/s with an average velocity of 1 m/s. Note: for minimum seepage = bottom width = 4(depth)(tanθ/2)arrow_forward
- n = 0.016 The rectangular-shaped channel has the best hydraulic cross-section. It is laid on a slope of 0.0064 The channel has 16.98 m^3/s Determine the required width to achieve the critical condition.arrow_forwardTriangular or “V” shaped channel with the sides inclined at an angle, θ = 60O from the horizontal and the depth, d= 0.75m from the apex, find the hydraulic radiusarrow_forwardThe earth dam shown in the is to be built on gravelly sand with silt and cobbles. Thisdam will extend a distance of 850 ft perpendicular to the cross-section. To reduce the flow ratethrough these soils, a concrete cutoff wall will be built as shown. Redraw this cross-section to ascale of 1 in = 100 ft, draw a flow net, and compute Q. Then, identify the area in the flow net thathas the greatest hydraulic gradient.arrow_forward
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