EBK WATER RESOURCES ENGINEERING
3rd Edition
ISBN: 9781119493167
Author: Mays
Publisher: VST
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Chapter 5, Problem 5.1.5P
To determine
The normal depth in the trapezoidalchannel.
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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
The discharge in a channel with bottom width 3 m is 12 m³ s¹. If Manning's n is 0.013 m-1/3 s
and the streamwise slope is 1 in 200, find the normal depth if:
(a)
the channel has vertical sides (i.e. rectangular channel);
(b)
the channel is trapezoidal with side slopes 2H:1V.
find the normal depth for a discharge of 6.371m^3/s in a trapezoidal channel with a bottom width of 1.524m and side slopes of 1 horizontal to 1 vertical. the channel is lined with concrete (n=0.012) and has a slope of 0.02
Chapter 5 Solutions
EBK 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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- find the normal depth for a discharge of 10 m3/s in a rectangular channel with a bottom width of 6m. The channel is concrete lined (n=0.013) with a slope of 0.75 percentarrow_forward) A) Determine the critical depth in a trapezoidal channel for a discharge of 150 m3/sec. The width of the channel bottom is 6 m, and the side slop upward at angle of 4arrow_forward-1/3 The discharge in a channel with bottom width 3 m is 12 m³ s¹. If Manning's n is 0.013 m and the streamwise slope is 1 in 200, find the normal depth if: a) the channel has vertical sides (i.e. rectangular channel); b) the channel in tranenoidal with sid 200 2H. 1 Varrow_forward
- For a trapezoidal-shaped channel (n = 0.012 and slope So of 0.00015 with an 18-ft bottom width and side slopes of 1 vertical to 2 horizontal), determine the normal depth for a discharge of 850 cfs. (similar to 5.1.10)arrow_forwardc) The channel shown in Figure 1 below is laid at a slope of 0.0018 and has a Manning's roughness of 0.015. i) Calculate the discharge for a normal depth of flow of 2.11 m ii) Determine if this channel is mild or steep for this discharge. 10 m YN 10° 10° Figure 1- Question 1 (c)arrow_forwardA rectangular concrete channel (n = 0.014) has a bottom width of 5.05 m and a longitudinal slope of 0.002. Compute the discharge rate and velocity for a water depth of 2.34 m. Compute normal depth, critical depth, and critical slope for a discharge of 6.67 m³/s.arrow_forward
- 6. Find the normal depth for a discharge of 125 cfs in a trapezoidal channel with a bottom width of 3.00 feet and side slopes of 2 horizontal to 1 vertical. The channel is lined with riprap (stones) (n = 0.024) and has a slope of 1.00 percent. Use Manning's equation.arrow_forwardA flow of 30 m3 /s occurs in a trapezoidal channel having a base width of 3 m, side slopes 1 vertical to 2 horizontal. Determine the critical depth, yc.arrow_forward(a) A trapezoidal channel has a bottom width of Bw = 10 m and 1 vertical to z=2m horizontal. The channel has a slope of 0.0001 and a Manning's roughness of n = 0.0501. If the uniform flow depth is yn = 7m what is the discharge in the channel? (b) Compute the critical depth (yc) for this trapezoidal channel given discharge from (a)arrow_forward
- A rectangular channel 4m wide with critical depth of 2.5 m. Compute the: a.) Discharge b.) Froude Numberarrow_forward7. A rectangular channel, 20 feet wide, carries a discharge of 200 cfs. Compute the critical depth and velocity. 8. minarrow_forwardThe bottom width and bed slope of a long rectangular channel are 4.0 m and 0 0008, respectively. The volumetric steady-state discharge is 1.50 m/s. The flow depth at a specific location is 0 30 m. Ifn=0.016, determine: (a) The type of water surface profile expected Show all work and state your reasoning in support of your work Pleasell!! (b) Sketch the water surface profile with all necessary information and labels shownarrow_forward
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