The figure shows a weir, the base of which is 6 m. below the ground. The necessary flow net has also been drawn assuming Kg = Ky = K. K= 0.005 m/sec. %3D %3D
Q: n = 0.016 The rectangular-shaped channel has the best hydraulic cross-section. It is laid on a…
A: Given data - Roughness(n) = 0.016 Slope (S) = 0.0064 Discharge (Q) = 16.98 m³/s
Q: Q35. An irrigation channel of trapezoidal section having side slope s 3 horizontal to 2 vertical is…
A: Manning's equation : The Manning's equation is an empirical equation that applies to uniform flow in…
Q: through a V-notch weir. Determine the max nead of water on the weir , if vertex angle is 45° D 78 cm…
A: Discharge Q = 0.1 - 0.2 m3/sec Vertex angle = 450
Q: 2. Water flows through a semi-circular weir 2 m deep and 4 m wide at the top under a head of 1.50 m.…
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Q: Home Work Check the stability of the gravity dam section shown in Figure at the section AA' assuming…
A: We have to check the stability of the gravity dam section shown in the figure according to the given…
Q: A suppressed weir 7.5m long is to discharge 10.125 m3 /s of water onto an open channel. The weir…
A: Given:L=7.5 mQ=10.125 m3Cw=1.88b=1.8 To find:Height, P
Q: 9. Calculate the hydraulic mean depth in case of maximum mean velocity if the radius of the channel…
A: Calculate the hydraulic mean depth in case of maximum mean velocity if the radius of the channel is…
Q: c) A rectangular concrete channel has a broad crested weir at its downstream end similar to that in…
A: The expression of velocity is given as V1=1nR23S12 V1=1nbynb+2yn23S12 Here n is the manning…
Q: A V-notch weir is located (or cut) at one end of a tank having a horizontal square section 1 Sm (L)…
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Q: 1. An unsymmetrical trapezoidal channel with one side vertical and the other inclined from…
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Q: a trapezoidal weir with a side slope of 1H to 2.8V allows a flow rate of 51m^3/s Assuming a constant…
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Q: Determine the discharge of a concrete-lined canal of a trapezoidal cross-section, bottom width 1.5 m…
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Q: Water flows through a semi-circular weir 2 m deep and 4 m wide at the top under a head of 1.50 m.…
A: C=0.65 L=4m H=1.5m
Q: For the channel cross section shown, A = 1 m, B = 3 m, D = 2 m, W = 8 m and n = 0.015. What bed…
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Q: depth of flow (at the back of the suppressed weir) = 2.485 meters discharge = 0.84 m^3/s head =…
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Q: Design a triangular open channel (n=0.014) that is anticipated to convey 25cumecs of water. The…
A: Given data: Triangular open channel n=0.014 Discharge=25 cumecs Slope=0.0015 It is asked to…
Q: 9. Calculate the hydraulic radius of a circular channel if the radius is 6m and the central angle is…
A: Calculate the hydraulic radius of a circular channel if the radius is 6m and the central angle is…
Q: 37 m W.s. H 10 m W.s. 1.5 m 3 m 10 m 24 m sheet pile
A: The potential drop is also called a head drop. The total potential drop in the flow net is equal to…
Q: 4. In a river 18m wide, having an average depth of 1.0m and a mean velocity of 0.35m/s, a contracted…
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Q: A V-notch weir is located (or cut) at one end of a tank having a horizontal square section 15m (L)…
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Q: Determine the depth in m of the trapezoidal channel with sides incl 45 deg with the horizontal to…
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Q: 2. Designing an open channel to convey the water to the two downstream communities where, the |…
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Q: in the both end rectangular contracted weir, the length of the w neglecting velocity of approach and…
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Q: A V-notch weir is located or cut at one end of a tank having a horizontal square section 10 m x 10…
A: The vertex of an angle is called the angle's vertex and the vertex angle associated with a…
Q: Determine the balancing depth (y) for a canal partially in cutting and partially in filling, having…
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Q: Q. No 1). Determine the discharge through a trapezoidal channel having X m base width, Side slope is…
A: Depth of the water in channel y= 4.0 mwidth of the base X=85 mSide slope = 2V:1H=1V:0.5H here…
Q: 6. A 3.6 m wide rectangular channel caries water to a depth of 1.8 m. In order to measure the…
A: To Determine Discharge in the rectangular channel.
Q: Water flows through a semi-circular weir 2 m deep and 2 m wide at the top under a head of 1.50 m.…
A: L=2m H=1.5m C=0.65
Q: An open channel has a rectangular section 3 m wide. The flow rate is 1.4 m/s and the depth is 0.8 m.…
A: Discharge through a Open Channel is Given as:Q=1nAR23S12.A=Area of Flow (m2)P=Wetted…
Q: Water flows through a parabolic weir that is 2m deep and 2m wide at the top under a constant head of…
A: Step 1
Q: A V-notch weir is located at one end of a tank having a horizontal square section 12m x 12m. The…
A: The formula for discharge over V-notch is; Q=815Cd2gtanθ2H52 Here in this question given data is;…
Q: The flowrate per unit width (q = Q/b) in a wide rectangular channel is q = 4 m2/s. Is the flow…
A: q (flow per unit width) = 4 m2/s
Q: The water cross-sectional area of a culvert is 18.36 sq.m. and wetted perimeter is 12.56m. If the…
A: Given, Q = 45.68 m^3/s A = 18.36 m^2 P = 12.56 m n = 0.015 Slope S = ?
Q: Designed a lined canal to carry a discharge of 30 m^3/s when the maximum permissible velocity is…
A: Canal is a hydraulic structure where depth and width are important design parameters for the maximum…
Q: A trapezoidal channel carries 1.2 m/s of flow on a longitudinal slope of 0.003. If channel surface…
A: trapezoidal channel carries 1.2 m3/sec of flow on longitudinal slope 0.003 . chezy formula Q=…
Q: The base of the artificial channel has a bottom width of 3m and sides with a slope of 1 vertical to…
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Q: 1. In discharge of water over narrow crested weir, head of water is directly proportional to…
A: formula for discharge over narrow crested weir Q=23CdL2g H32
Q: r flows in a trapezoidal channel of 2 m width and side slope at 1:1. At upstream depth of 2 m, the :…
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Q: (b) A rectangular channel 3.05 m wide carries 3.4 m3/s uniform flow of water at a depth of 0.6 m.…
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Q: A compound channel in FIGURE Q2(b) has bottom slope of 0.6-percent. Calculate velocity and discharge…
A: Empirical formulas are used to calculate the velocity of flow through a channel. Chezy gave the…
Q: Q. No 1). Determine the discharge through a trapezoidal channel having X m base width, Side slope is…
A: Given: n=0.012S=11500width=85
Q: 2. In discharge of water over narrow crested weir, discharge is directly proportional to the cube…
A: GIVEN: In discharge of water over narrow crested weir, discharge is directly proportional to the…
Q: 1. In discharge of water over narrow crested weir, head of water is directly proportional to…
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Q: 95cm 75cm -6 ft- 2.4 ft- 15cm 0.5 ft 38cm 1.2 ft
A: 2. given data b=2.4ft H=0.5ft rate floe for rectangular croess section…
Q: 2. Flow occurs through a sand-filled pipe with a cross- sectional area of 60 cm?. If K is 10 cm/s…
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Q: 1. Find the width of the channel at the back of a suppressed weir using following data H = 18.5cm ,…
A: Discharge over the weir (Q)=0.84 m3/sec, Head on the weir (H)=18.5 cm=0.185 m, Depth of the…
Q: The flow rate of water in a 3-m-wide horizontal open channel is being measured with a 0.25-m-high…
A: Calculate the weir head by using the following equation: H=y1-Pw ...1 Where, y1-is flow depth at…
Q: A weir is used to measure the flowrate in an open channel that is (Bw =) 5 m wide and (Ho =) 2 m…
A: Width of open channel, Bw = 5 m Depth of open channel, HO = 5 m Head over weir, H = 0.5 m Discharge,…
Q: A weir is used to measure the flowrate in an open channel that is (Bw =) 5 m wide and (Ho =) 2 m…
A: Width of open channel, Bw = 5 m Depth of open channel, HO = 5 m Head over weir, H = 0.5 m Discharge,…
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- The figure shows a weir, the base of which is 6m below the ground. The necessary flow net has also been drawn assuming Kx = Kv = K. K = 0.005 m⁄sec. Compute the following: rate of seepage through the foundation in liters/sec. uplift pressure at“f”. uplift force per unit length measured along the axis of theA masonry dam having a sheet piling cutoff at the upstream and is located at a reservoir site as shown in the figure. Nf= 4; Nd= 10 and K= 0.003m/min 1) compute the seepage discharge in cu MTR/day 2) compute the uplift force acting on the base; 3) compute the exit or escape gradient of the water at the downstream tip of the dam if the length of the flow field is equal to 1.80mThe figure shows the section of weir, the base of which is 1.5m below the ground. The necessary flow net has also been drawn. a) Find the uplift pressure at Point A. b) Compute the uplift pressure at Point B. c) Determine the total uplift force per meter width under the weird
- Determine the best hydraulic section for rectangular channel that can carry 3.33m3/s.A trapezoidal section of 2 m bottom width, carries a discharge of 4 M3/s. The channel’s raughness is 0.025. What is the condition of the best hydraulic section to calculate the channel bottom slope?Determine the rate of seepage (in cubic feet/min) under the dam by drawing flow net to scale, and also determine the total uplift force (in psf) acting at the bottom of the dam at Points B and D per unit length of dam. The permeability of the silty sand is 0.2 ft/min. The drawing is to scale. Use scaled drawing (next page) for your flow net sketching and pressure calculations/evaluations. Upstream water level is at El. 94 ft. Downstream water level is at El 68 ft. Dam is 85 ft long and bottom is at el 60 ft. Ground surfaces on both upstream and downstream sides are at El 64 ft.
- A concrete gravity dam has maximum water level 205.0 m, bed level 126.0 m, top R.L. of dam 210.0m, downstream face slope starts at R.L. 200.0 m, downstream slope 2:3, tail water is nil, upstreamface of dam is vertical, centre line of drainage gallery is 8 m downstream of upstream face, upliftpressure is 100 per cent at heel, 50 per cent at line of gallery and zero at toe, weight of concrete is 2.5tons per cubic metre. Considering only weight, water pressure and uplift, calculate the maximumvertical stresses at the toe and heel of dam. Take coefficient of uplift pressure as 1.Use 10 kN/m3 for unit weight of water. For a concrete structure that retains water, a flow net is sketched as shown in Figure H8-3. Noting the marked location of the Datum, answer the following: Mark on the figure all boundary Also mark the type of each boundary. Calculate the uplift pressures at points A, B, C, D, E, and F. Calculate the factor of safety against The seepage loss (q) per day per meter length of the (i.e. q in m3/day/m) if the permeability of the soil is k = 10-4 m/sec.A masonry dam has a coefficient of permeability in the vertical and horizontal directions of Kz=4m/day and Kx=5m/day, respectively. The difference in the head is 18m and the distance between the base of the dam and the downstream water surface is 18m. Assume z=35m and width of dam = 40m. a. Determine the seepage flow (m3/day). b. Determine the uplift pressure (kPa) at A. c. Determine the uplift force (kN) acting in the dam. Assume that the uplift pressure under the dam varies uniformly.
- A vertical, trapezoidal gate in the face of a dike is subjected to sea water pressure (s =1.3) on one side. The upper edge is in the water surface and is 1.567 meters long. Twoedges are vertical and measured 2.67 meters and 3.76 meters each. Determine the totalpressure on the gate and the location of the center of pressure.Water flows uniformly in a rectangular concrete open channel that is 10 m wide at a depth of 3m. The channel slope is 0.0025. Using n = 0.013. Find the velocity, flow rate and the boundary shear stress.Design a straight trapezoidal erodible channel that can carry a discharge of 12.5m^3/s using tractive force method based on the following information. The side slope is 1V:4H The bottom slope is 0.0015 The manning's roughness coefficient is 0.024 The critical shear stress as 7.2KN/m^2 Angle of repose is 23 Density of water 1000kg/m^3