oncrete, Yconc=24
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- Consider a farm irrigation ditch in a loam soil having the following dimensions: bottom width= 0.6 m, total depth, 0.5 m, side slopes= 1.5 horizontal to 1 vertical, and depth of water= 0.4 m. If the bottom of the ditch has a uniform slope of 2 m/km, and if the bottom & sides are kept smooth and free from weeds, what will be the mean velocity(m/s) of flow and discharge in m^3/s? Use n = 0.02. Find the shear stress at the watersurface, at half flow depth, and the canal bottom in N/m2 (or Pa). What is the shear velocity in m/sec?a) find the weight of concrete dam if it has a depth of eleven meters into the page. Where does the weight act (centroid)? b) if the water level is less than 4m, what are the horizontal and vertical load intensity diagrams and the equivalent point load (in cartesian form in terms of "h") for each? c) repeat b if the water level is greater than 4m.17. Using horizontal direction in cm/day 18. if the hydraulic gradually for the soil formation is 0.75 19 aquifer in cubic meters per day pls ans:
- A concrete dam retaining water is shown in FIGURE FMHF-1. If the specific weight of concrete is 23.5 kN/m^3, determine the following: Factor of safety against sliding (coefficient of friction: 0.48)a. 2.48 b. 1.34 c. 3.77 d. 3.42 39. Factor of safety against overturninga. 1.34 b. 3.105 c. 3.416 d. 1.987 40. Maximum soil pressure intensitya. 73.22 b. 183.48 c. 173.53 d. 58.48Refer to Problem 8.4. Using the flow net drawn, calculate the hydraulic uplift force at the base of the hydraulic structure per meter length ( measured along the axis of the structure).if Manning's N=0.023 and Hydraulic radius=3 m , then value of Chezy constant is ________?
- A dam shown in figure has water 2.7 m high on the vertical upstream side. If unit weight of concrete is 23.5 kN/cu.m, determinea. Minimum width of the base that the resultant falls within the middle thirds. Neglect hyrostatic uplift.b. Minimum coefficient of friction to prevent slidingAn embankment consists of clay fill for which c=25 kPa and angle of internal friction is 260 9from consolidated undrained test with pore pressure measurement) The weight of fill per unit volume is 18.64 kN/m3. Compute the stress in kPa at depth of 20 m. Show free body diagram a.21.6 b.372.8 c.192.8 d.62.5A concrete gravity dam with a trapezoidal section is holding water as shown in the figure. A distance of 15 meters from the toe, a drain is located. The drain has a pressure due to uplift of zero and increasing uniformly to full hydrostatic at the heel. Upstream face 1H:5V, while downstream face is inclined 1H:2V. Which of the ff nearly gives the maximum foundation pressure on the base of the dam in kilopascal ? Assume 23.54 kN/m3 for the unit weight of concrete. a. 3114 b. 1095 c. 4115 d. 964 e. 680
- Please answer both, as per honor code, can answer 3 subparts. 1. Determine the pressure intensity at the toe of a trapezoid a dam having a dimension of 4 m on top, 18 m at the bottom and 25 high withwater 20 m deep on its vertical side. Unit weight of the concrete is 23.9 kN/m^3. No hydrostatic uplift.2. A rectangular dam has a height of 24 m. The depth of water on one side of the dam is 20 m. If the coefficient of friction between the dam and the foundation is 0.85 and the factor of safety for sliding is 3.20, determine the base of the dam. Density of concrete is 2320 kg/m^3. No hydrostatic uplift.Two Water flows from reservoir A to reservoir B through two pipes as shown below. Determine 1) thedischarge in the pipe, 2) the pressure at point P. Assume α = 1.0 at all locations and neglect any minor headlossDetermine support reaction Given P=200 kn