Answered: A riprap-lined (n=0.02), triangular…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question 4. L a) A (3.0 + X) m wide rectangular channel carries water at 20°C at a depth of 0.75 m. The channel is laid on a slope of 0.0004. Find the hydrodynamic nature of the surface if the channel is made of (a) very smooth concrete and (b) rough concrete. Also estimate the discharge for both the cases using Manning's formula. Consider that the equivalent roughness height for very smooth concrete is 0.25 mm and for rough concrete is 3.5 mm. Where, X = 0.01 x Last Three Digit of your Student ID b) Compute the normal depth and velocity in a trapezoidal channel whose bottom width is (6 + X) m and side slope is 1.75: 1. The discharge of the channel should be maintained 33 m/s. Consider that the value of Manning's n is 0.025 and bed slope is 0.0031. Where, X 0.01 x Last Three Digit of your Student ID
- An inlet Warpd transition was used to connect a rectangular flume with a trapezoidal canal as shown in the figure.The following information are available: - Discharge (Q) = 60 m3/sec. - Cross section area of a rectangular flume 17m Depth of the flow in the trapezoidal Bed width of the trapezoidal canal (B) 10m Side slope of the trapezoidal canal (Z) = 1.5:1 Length of the transition (L) = 16m : Ki = 0.1 The equation of water surface profile through the The transition is: Y= 0.003906x Find the depths (y, & y:) and then find Sw. T B=10m L=16m Ay Y= 0.003906x
4- In a rectangular channel, a hydraulic jump occurs at a point where depth of water- before and after the jump was 0.6 m and 1.15 m respectively. Determine the discharge per unit width and critical depth (yc).
Determine the discharge for pipe network at each branch 1524 m, 305mm Q = 0.513 m /s A B 915 m, 406mm
A rectangular channel (b = 9 feet) crosses beneath a roadway inside a 70-inch RCP culvert with a C = 0.6. Note: That the culvert dimensions may not be a standard size. 1. If the design flow rate is 281 cfs what is the water surface elevation when the invert elevation of the pipe is 1,277 ft. Report to 1 decimal place 2. Provide a profile view of the channel entering the culvert. Include the invert elevation, diameter, headwater and water surface elevation on your scratch paper.
Design a regime channel to carry a discharge of 40 cuemacs by lacey's theory. Assume side slopes to be 1:1. The average size of the bed material may be taken as 0.8 mm
Uniform flow occasionally occurs in a 5-m-diameter circular concrete conduit but the depth of flow can vary. The Manning's coefficient is n = 0.013, and the channel slope is 0.0005. (a) Calculate the discharge for y = 3 m, (b) Plot the discharge-depth curve.
Subject : Fluid mechanics Please read the question carefully and give me right solution according to the question. Thank you
Q2. Discharge in a wide rectangular open channel can be found using the Manning's 0.5 roughness formulation of - AR067 S. ° where Q is the discharge, n is the roughness coefficient, A is the cross-sectional area; R is the hydraulic radius, and S, is the bed slope. Given that R = h (flow depth), and A = 12h, and S, = 0.0025 and n = 0.0125; Compute the flow depth (h) when Q = 120 m³/s, using the Newton's method. Start with ho =2 m initial guess and perform only a single iteration. Winc Windo
A. Design a trapezoidal channel to carry a discharge of 10.5 m^3/s. The bottom slop of the channel is 0.0035. Also the flow depth is half of the channel bottom width. Take roughness coefficient as 0.025 and side slop as 1H to 4V. B. Based on the given information and your results in part A, compute the state of flow
● Design a regime channel to carry a discharge of 40 cumecs by Lacey's Theory. Assume side slopes to be 1: 1. The average size of the bed material may be taken as 0.8 mm.
Discharge in a concrete channel with bottom width of 3m is 10 cumecs. Bed slope of a given channel is equal to 1 in abc. Where, “abc” is the last three digits of your registration number. Find the normal, critical and hydraulic depths of flow if: 1. the channel has vertical sides2. the channel is trapezoidal with 3H:2V3. the channel is triangular with apex angle equal to 1000 Course: Hydraulics

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A riprap-lined (n=0.02), triangular channel (m=2) carries a discharge of 10m 3 /s. Determine thecritical depth, critical velocity, and critical slope.