Question

Calculate the depth of flow in a trapezoidal channel with a bottom width of 3m and...

Calculate the depth of flow in a trapezoidal channel with a bottom width of 3m and whose walls slope 40 degrees with the horizontal. The channel is made of unfinished concrete and is laid on a 0.1% slope. The discharge is 15m^3/s.

Engineering   Civil-Engineering   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

for unfinished concrete the value of n is normally taken as 0.017

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
A trapezoidal concrete channel (n = 0.015) has side slopes of 2H:1V, a bottom width of...
A trapezoidal concrete channel (n = 0.015) has side slopes of 2H:1V, a bottom width of 10.0 ft, and a longitudinal slope of 0.005. (a) Compute the discharge rate (in cfs) and velocity (ft/s) when the water depth is 3.0 ft. (b) Compute normal depth and critical depth (in feet) for a discharge rate of 300 cfs.
Consider the California aqueduct, which is a concrete trapezoidal channel with a bottom width of 40...
Consider the California aqueduct, which is a concrete trapezoidal channel with a bottom width of 40 ft, a longitudinal slope of 0.004% and 1.5H:1V sideslopes (z = 1.5). Assume n = 0.013. The design discharge is 6400 mgd. (use 9900 cfs) The depth of water is 29 ft at point A. The depth of water is 30 ft at point B. (a) What is the normal depth? b) Determine the critical depth. (c) What type of profile exists in the...
A discharge of 4.25 m3 /s occurs within a trapezoidal channel with a base width of...
A discharge of 4.25 m3 /s occurs within a trapezoidal channel with a base width of 3m, 3:1 side slopes (i.e. Z = 3), a longitudinal bed slope of 0.0009 m/m with a Manning’s roughness coefficient of 0.025 (i.e. sand). State the normal flow depth (yn) critical flow depth (yc) and the Froude Number of the flowing water.
A concrete, trapezoidal channel with a 5-m bottom width and side slopes of 1:1 (H:V) discharges...
A concrete, trapezoidal channel with a 5-m bottom width and side slopes of 1:1 (H:V) discharges 35 m3/sec. The bottom slope of the channel is 0.004. A dam is placed across the channel and raises the water level to a depth of 3.4 m. determine the channel and flow classification (e.g., M-2, S-1) upstream of the dam and explain your supporting logic. then compute the water surface profile at 50-m intervals until you reach the hydraulic jump. Use a spreadsheet...
The discharge in a channel with bottom width 3 m is 12 m3 s–1. If Manning’s...
The discharge in a channel with bottom width 3 m is 12 m3 s–1. 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. (Answer with steps plz)
A trapezoidal channel has a bottom width of 5 m and side slopes m = 2....
A trapezoidal channel has a bottom width of 5 m and side slopes m = 2. If the flow rate is 20 m3/s, what is critical depth?
A hydraulic jump is formed in a trapezoidal channel of 2.0-m bed width, 1:1 side slope,...
A hydraulic jump is formed in a trapezoidal channel of 2.0-m bed width, 1:1 side slope, and carrying a discharge of 6.0 m3/s. The initial and final depths of the jump are 0.5m and 2.0m, respectively. Concrete blocks are placed to stabilize the jump. Cf = 0.6. Construct the M-y diagram for the channel section. Find the critical depth.
3. A trapezoidal channel has a base width b = 8 ft and side slopes 6H:1V....
3. A trapezoidal channel has a base width b = 8 ft and side slopes 6H:1V. The frictional slope is Sf = 0.035 and the Manning roughness coefficient is n = 0.014. Design a channel if channel discharge is = 15.45 m3 /s using Mannings equation. The farmer land is 3.482 acre with a length of 951.43 ft. what is the best length for the grass waterway? Depth of channel, d=? (5).   Top width of the channel=? (3) Freeboard of...
Determine the normal depth, critical depth, and channel type (mild, steep, etc.) for a trapezoidal channel...
Determine the normal depth, critical depth, and channel type (mild, steep, etc.) for a trapezoidal channel with a base width of 22 and side slope 4 to 1. There is a flow rate of 1500 cfs flowing through the channel. The overall longitudinal slope is 2% and the channel is composed of soil (n=0.03).  
A rectangular channel with a width of 6.5m and water depth of 1.35m has a channel...
A rectangular channel with a width of 6.5m and water depth of 1.35m has a channel bed slope of 1 in 900. Determine the discharge when Manning’s roughness coefficient n=0.015. By changing the size of the channel but keeping the same quantity of lining, determine the new dimensions (water depth and width) if it is desired to increase the discharge to a maximum and also calculate percentage increase in discharge
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT