Answered: Calculate the height through which bed…

Calculate the height through which bed should be raised to just produce critical depth and the width by which the bed should be narrowed to produce critical depth

Traffic and Highway Engineering

5th Edition

ISBN:9781305156241

Author:Garber, Nicholas J.

Publisher:Garber, Nicholas J.

Chapter16: Highway Drainage

Section: Chapter Questions

Problem 16P

See similar textbooks

Related questions

Q: Q1: water flows steadily at 16 ft’/s in triangular sluice with side slope 1:1 ; the bottom has slope…

A: Given data- Discharge (Q) = 16 ft3/s Side slope 1:1 Bottom slope = 0.0039 Depth of flow (y) = 2 ft.…

Q: Determine the flow in a trapezoidal irrigation canal with a bottom width of 6.6ft. and a side slope…

Q: Consider the compound channel shown. The Manning's n is equal to 0.013 and 0.026 in the main channel…

Q: Trapezoid base width = 6 feet Trapezoid side slopes = two horizontal, one vertical *The…

Q: 2. Which of the following equations is true for a wide rectangular channel? (1-() dy Yn

A: To find : Equation of wide rectangular channel. Given: R=y (uniform flow depth) and R=yn (depth in…

Q: In a rectangular channel 12.5m wide having a bed slope of 0.0007, water flows at a uniform depth of…

Q: 5 m wide is to carry water at the rate of 22 m³/s. if the channel slope is 0.00025, determine the…

A: Given:- width=15m rate=22m3/sec slope=0.00025 n=0.013 To find:- depth of flow

Q: Flow rate in a rectangular channel is 50ft/s and the width of the channel is 5 ft. Calculate the…

A: Given: The flow rate is 50 ft3/sec. The width of the channel is 5 ft.

Q: For a trapezoidal open channel, the total discharge is 28 m^3/sec, bed width 6.0 m, side slope…

Q: flow rate of 2.1 m3/s is to be carried in an open channel at a velocity of 1.3 m/s. determine the…

A: step 1-

Q: A lined rectangular channel with Manning's n = 0.015 is 5 m wide and has a flow depth of 2m with the…

Q: A trapezoidal channel with IV:2H side slopes. Bottom width is 8 ft, slope is the channel has a flow…

Q: Q27. A rectangular channel with a bottom width of 4 m and a bottom slope of 0.0008 has a discharge…

Q: 013 calculate the dimensions of the best cross section if the shape of the channel is (a) circular…

Q: A rectangular channel 12.0 m wide is laid on a slope of 0.0028. The depth of flow at one section is…

A: We know that,2q2g = y1y2(y1 + y2)Given, y1 = 1.5 m & y2 = 1.8 m 2q29.81 = 1.5×1.81.5 + 1.8q =…

Q: The discharge in a channel with bottom width 3 m is 12 m³ s. If Manning's n is 0.013 m-1/3 s nd the…

A: Given :

Q: The channel consists of an unfinished concrete section (n=0.014) and overflow regions on each side…

Q: Water flows uniformly with a flow rate of 10 m'/s in a long rectangular open channel of 3.0 m width,…

Q: Situation 1: An open rectangular channel discharges water at a rate of 2 m/s and mean velocity of…

A: The discharge is Q=2 m3/s. The velocity is V=1.3 m/s. It is given that the base width is twice the…

Q: Compute the flow rate in m3/s b. Find the length of reach from depth 1.35m (upstream) to 1.50m…

A: Given a rectangular channel 12.5m wide having a bed slope of 0.0007, water flows at a uniform depth…

Q: Q3) A rectangular channel of width 5.0 m carries a discharge of 10 m3/s. The normal depth of flow is…

Q: A very rough circular open channel has a diameter of 60 in and the depth of flow is 15.0 in. The…

Q: find the normal depth for a discharge of 6.371m^3/s in a trapezoidal channel with a bottom width of…

A: GIVEN- Discharge Q=6.371 m3/sBottom width B=1.524 m Mannings constant n=0.012Side Slopes…

Q: trapezoidal channel is designed (not most efficient channel) to carry 24+Z m 3 /s on a slope of…

A: Draw FBD:

Q: A trapezoidal channel carry water at a rate equal to 10 m3/sec, Manning's n is 0.02 and bed slope is…

Q: 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…

Q: H.W. 2 A 2.5 m rectangular channel carries 6 m3/sec of flow at a depth of 0.5 m. calculate the…

A: Width = B = 2.5m Discharge = Q = 6m3/sec Depth = d = .5m

Q: A rectangular channel with a bottom width of 4.0m and a bottom slope of 0.0008 has a discharge of…

A: Given data, Q = 1.5 m^3/s B = 4 m n = 0.016 So = 0.0008 y = 0.3 m To find the

Q: A triangular open channel has a central angle of 49 deg. It has a flow rate of 16 m3/s. Find the…

A: GIVEN DATA: DISCHARGE (Q)=16 m3 /sθ=49∘

Q: Water flows in a 60° V-shaped steel flume at a velocity of 1.2 m/s. If the channel slope is 0.0020,…

A: Given:- Angle = 60° Velocity =V= 1.2 m/sec Slope = 0.0020 We have to…

Q: Example: A concrete-lined trapezoidal channel (n = 0.015) is to have a side slope of 1.0 horizontal:…

A: Given:- The value of manning's coefficient (n) = 0.015 The side slope of the trapezoidal channel = 1…

Q: Uniform flow occur in a 12-m-wide rectangular channel having a bed slope of 0.0021 and n = 0.019 at…

A: Hydraulic Jump: A hydraulic jump is an effect that happens regularly in open channel flow, such as…

Q: At one section of a 3.0 m wide rectangular channel, the depth of flow is 1.80 m. With a bed slope of…

Q: i) Determine the critical depth of flow for this channel. ii) Determine the normal depth of flow for…

A: Critical depth hc =q2g1/3Here q discharge per unit width and g is acceleration due to…

Q: A trapezoidal channel with side slope of 2H-1V has a flow rate of 160 m3/s and depth of 4 meters.…

A: A trapezoidal channel is given, having side slope of 2H-1V Flow rate (Q) = 160m3/sec Depth = 4m…

Q: Find the base width and water depth of a trapezoidal channel with side slopes of 1.5 horizontal to 1…

A: Solution: Given Data: n=0.030 Slope= 1.5 : 1 Discharge Flow rate=2.7 m3/s Slope of bed of the…

Q: The flow through a rectangular channel (width in x and height in z) is nonuniform in the…

Q: Design a concrete lined channel to carry a discharge of 350 cumecs at a slope of 1 in 6400. The side…

Q: A trapezoidal channel with 3 meters bottom width, side slope 2H:1V, channel gradient of 0.002, and…

A: given : B = 3m side slope 2H:1V, channel gradient of 0.002 n= 0.025 discharge…

Q: At a section in a 60 degree triangular channel, the depth of water is 2.5m and the average velocity…

Q: The channel consists of an unfinished concrete section (n = 0.014) and overflow regions on each side…

A: Steady volumetric flow :

Q: A trapezoidal channel with 1V:2H side slopes. Bottom width is 8 ft, slope is 0.15%, and the channel…

Q: A concrete lined circular channel of 3 m diameter has a bed slope of 1 in 500. Determine the…

Q: 4.7. Water flows at a depth of 2.20 m in a trapezoidal, concrete-lined section (ks = 2 mm) with a…

Q: concrete lined circular channel of 3 m diameter has a bed slope of 1 in 500. Determine the flow rate…

Q: smooth transition section connects two rectangular channels as shown. The channel width increases…

A: Given: Channel width increases from 1.8 m to 2.1 m, and the water surface elevation is to remain the…

Q: Determine the normal depth of a flow in a concrete lined rectangular channel 20.0M wide carrying…

Q: Trapezoid bottom width = 10 feet Trapezoid side slopes = two horizontal, one vertical *The…

Concept explainers

Time and time related variables in engineering

Time is the event progression starting from past to present and then, future statistically. The time-related variable is any particular value in relation to time to assess its changes on a specified (XY) plane.

Question

A rectangular channel 3m wide and has depth of flow 1.5m. the channel roughness is 0.015 and the bed slope is 0.001. Calculate the height through which bed should be raised to just produce critical depth and the width by which the bed should be narrowed to produce critical depth

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step 3

VIEW

Step by step

Solved in 3 steps with 3 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Time and time related variables in engineering

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, civil-engineering and related others by exploring similar questions and additional content below.

Similar questions

A trapezoidal channel having a bottom slope of 0.001 is carrying a flow of 75 m3/s. The channel bottom is 50 m wide, n = 0.025, and the channel side slopes are 1 vertical to 1.5 horizontal. If a control structure is built at the downstream end that raises the water depth at the downstream end to 12 m, determine the amount by which the channel banks must be raised along its length. Assume the channel had uniform flow prior to the construction of the control structure.
Determine the depth in m of the trapezoidal channel with sides inclined 45 deg with the horizontal to prevent scouring with a maximum velocity of 3 m/s and a flow of 225 cum/sec. Use 1-decimal place.
A trapezoidal channel has a bottom width of 6 m and side slopes of 2 horizontal to 1 vertical. If the depth of flow is 1.2 m and the flow is 20.40 m^3/s. Find hydraulic radius. Compute slope of the channel for n=0.014
Water flows in a 1.5 m wide rectangular channel with a flowrate of Q = 0.8 m3 /s and upstream depth of y1 = 0.75 m. Determine the flow velocity and the surface elevation at section 2.
Q1) Determine the critical flow depth in a long length of lined trapezoidal channel of base width of 3.5 m and a side slopes of 1:1 when the flow rate is 20 m3 /s. the normal depth is 1.727m.
For the channel (Consider a rectangular channel 3 m wide laid on a 1°slope. If the water depth is 2 m, the hydraulic radius is), if the water depth is 2 mand the uniform flow rate is 24 m3/s, what is the approximatevalue of Manning’s roughness factor n?(a) 0.015, (b) 0.020, (c) 0.025, (d ) 0.030, (e) 0.035
Discharge in a concrete channel with bottom width of 3m is 10 cumecs. Bed slope of a given channel is equal to 1 in 664 . Find the normal, critical and hydraulic depths of flow if: 1. the channel has vertical sides 2. the channel is trapezoidal with 3H:2V 3. the channel is triangular with apex angle equal to 1000
What is the depth of water in a trapezoidal channel with z = 2.0 and carrying 2.5 cubic meter per second of water flow? The channel’s bottom width is 2.5 m and the velocity of flow is 0.9 m/s.
Trapezoid bottom width = 10 feet Trapezoid side slopes = two horizontal, one vertical *The trapezoid-shaped channel is lined with concrete and can carry a flow of 3000 cfs* Given the channel slope of 0.001, determine the channel's depth of flow.
Determine the depth in m of the trapezoidal channel with sides inclined 45 deg with the horizontal to prevent scouring with a maximum velocity of 3 m/s and a flow of 225 cum/sec.
A 2.0m wide rectangular channel has normal depth of 1.25 m when the discharge is 8.75 m3s. The slope of the channel is classified as
Trapezoid base width = 6 feet Trapezoid side slopes = two horizontal, one vertical *The trapezoid-shaped channel will be lined with concrete* Determine the needed slope to create a uniform flow of 500 cfs at 4 feet as the depth.