A uniform flow occurs at a depth of 3.85m in a rectangular channel 11.5m wide with n=0.013 laid on a slope of 0.00274. What will be the minimum height “h" of a smooth hump, extending the entire width of the channel which can be built in the floor of this channel to produce critical depth at the hump. Use Manning's Formula. Figure 1: E.G.L. thump

A uniform flow occurs at a depth of 3.85m in a rectangular channel 11.5m wide with n=0.013 laid on a slope of 0.00274. What will be the minimum height “h" of a smooth hump, extending the entire width of the channel which can be built in the floor of this channel to produce critical depth at the hump. Use Manning's Formula. Figure 1: E.G.L. thump

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

A rectangular channel 10 m wide carries 60 m3/s when flowing 3 m deep. What is the critical depth? Select the correct response: 4.45 2.54 2.45 1.54
Q16) For the flow condition shown in the figure, determine: 1) The hydraulic gradient. 2) The total head, pressure head and elevation head at points A, B and C. 3) The piezometric level at D. 2 m 4 m Clay Ysat = 20 kN/m3 *•B 2 m * •D 2 m S . Datum
Q=7 n=0.017 v=1.7 z=1.7
4.6 A surcharge of 195kN/m² was applied over a circular area of diameter 3m, as shown in Figure P4.3. Estimate the height of water hy that a piezometer would show immediately after the application of the surcharge. Assume that A≈ 0.65 and v=0.5. 3 m 1.5 m Center line --3m-M M Figure P4.3 195 kN/m 1.5 m O.W.T. h Sand CANCE Clay PORTAY Sand
b) A rectangular channel conveys a discharge of 150 m/s. The channel has a slope, s = 0.0520, base width, b 6.0 m and Manning coefficient, n = 0.015. At a certain point, as shown in Figure 2 below, the slope changes suddenly to s2 = 0.00560 while base width and manning coefficient remaining unchanged. S, = 0.0520 S, = 0.00560 Figure 2 - Question 2 (b) i) Determine the critical depth of flow for this channel. ii) Determine the normal depth of flow for before and after the change in slope. iii) Is the flow subcritical or supercritical before the change in slope? iv) What type of water surface profile would you expect between the upstream and downstream slope.
Need help asap. Water flows in a wide channel at q = 10 m³/s/m and a depth of 1.25 m. If the flow undergoes a hydraulic jump, Determine:
11.28. A trapezoidal channel is to be designed to carry a dis- charge of 75 m'/s at maximum hydraulic efficiency. The side slopes of the channel are 2H/1 V and the Manning n value is .030. a. If the maximum allowable velocity in the channel is 1.75 m/s, what should be the dimensions of the channel? b. What should be the slope of the channel?
Q. In a rectangular channel there occurs jump corresponding to F,= 3. Determine the critical depth and head loss in terms of initial depth y1
The dam shown in Fig is 120 m long and has two 10 m sheet piles driven partially into the granular soil layer. Determine-: The quantity of seepage lose under the dam when K= 20x 10 cm/sec. And The exit hydraulic gradient at point X. And The pressure distribution under the base of dam. 12m 2m 50m 10m 40 m 1 10m X 12m
The critical velocity ratio for a depth of flow 2.5 m in alluvial channel is 1.25. If the manning's 'n' is 0.015 then, the velocity of the channel as per Kennedy's method is_ a. 1.12 m/s b. 1.23 m/s c. 2.41 m/s С. d. 3.12 m/s
3. The figure is a section of a masonry dam resting on a foundation and subjected to water pressure shown. Specific gravity of masonry dam is 2.40. Assume that the path of percolation follows the line contact between the foundation and the masonry and sheet piles. If the drop in the hydraulic gradient is directly proportional to the length of the path of percolation. Determine the moment about point C of the pressure (force) acting on the surface ABC per linear meter of dam. 4 0m 1.00 FL 4 MI 1 Omm 2.0m Opr 1 (7
Question 11 A rectangular channel with width = 10 meters and depth = 3 meters has a flow slope of 0.001 and roughness n = 0.025. The flow rate is 80 m/s. Determine the shear stress on the channel in Pascals