Structural Analysis
6th Edition
ISBN: 9781337630931
Author: KASSIMALI, Aslam.
Publisher: Cengage,
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A rectangular channel has a width of 14 m and depth of of water equal to 3 m with a bed slope of 1 in 1500. Determine the discharge through the channel using Kutter's formula and take N = 0.03
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- A horizontal channel with rectangular cross-section has a width of B₁ = 3 m and depth of y₁ = 1.55 m. The channel expands with a linear expansion with a taper of one to four and reached an expanded width of B₂=6 m. For a discharge of Q = 8.5 m³/s, what is the water depth after expansion? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a b с d 1.65 m 1.58 m 1.76 m 1.70 marrow_forwardExample 12.3. A small reservoir has a spillway crest elevation 200.0 m. Above this elevation, the storage and outflow from the reservoir can be expressed as: Storage: S=36000 + 18000y m³, Outflow Q=10y m³/s, where y is height of water above spillway crest in m. Route an inflow hydrograph which can be approximated by a triangle as: 1=0 at t=0, 1=30 m³/s at t=6 h and I = 0 at t = 26 h Assume at t= 0.y=0 and use At = 2 harrow_forwardTrapezoidal cross section given in the figure on the side It is requested to pass a flow rate of 5 m/s through the channel. Accepting that n=0.0167 and Jo=0.0005 in this section; size the cross section to be optimal from the hydraulic direction.arrow_forward
- a water resource engineer is in charge of designing atrapezoidal open channel for flood control. Typically, these types of channels are made ofconcrete. Use Manning’s Equation.Flowrate (Qb), channel slope (S0), bottom width (Bw), channel sidewall angle (θ), actual depth(y), and Manning’s coefficient (n) are tabulated below. State all assumptions. * z is the sidewall ratio: for every 1 unit increase in depth, the top width increases by z on eachside of the channel, or 2z total.A) Given the actual depth, y = 1.25 ft, find the discharge Qa.B) Find the Critical Depth, yc, for the discharge Qa found in (a). For a trapezoid,dA/dy =Bw +2 yz .Is the flow sub- or super-critical?C) Determine the uniform flow normal depth (yn) at Qb = 209 cfs.D) If the slope is increased to 0.001, what roughness coefficient would be needed tomaintain the same discharge Qa? What about for Qb? Would it be the same value?arrow_forwardA trapezoidal channel with uniform flow depth 4 m. The base width is 6 m and the side slopes are equal to (1V:1H), Manning's n can be taken as shown in the figure. What is the weighted Manning's coefficient using Horton's equation. n=0.019 n=0.022/|1 n=0.012arrow_forward
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