4. For the concrete dam shown, calculate the factor of safety against overturning and sliding. Use coefficient of friction = 0.65 and unit weight of concrete = 24 kN/m³. 6 m 5 m D 0.50m -4.50m
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- A concrete dam retaining water is shown. If the specific weight of the concrete is 23.54 kN/m3, find the maximum pressure on the base. Assume there is no hydrostatic uplift and that the coefficient of friction between dam and foundation soil is 0.48. Y = 5.6 m B = 3.2 m W = 1.6 h = 4.8A 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. 680A concrete dam retaining water is shown in the figure. If the specific weight of the concrete is 23.5 kN/m3, Find the factor of safety against overturning. Assume there is no hydrostatic uplift, and that the coefficient of friction between the dam and foundation soil is 0.48. Find the factor of safety against sliding. Assume there is hydrostatic uplift that varies from full head at the heel to zero at the toe, and that the coefficient of friction between the dam and foundation soil is 0.58. Find the minimum pressure intensity on the base. Assume there is no hydrostatic uplift, and that the coefficient of friction between the dam and foundation soil is 0.48. Find the maximum pressure intensity on the base. Assume there is no hydrostatic uplift, and that the coefficient of friction between the dam and foundation soil is 0.48.
- The section of a concrete gravity dam is shown in the figure. The depth of the water at the upstream side (y) is 6.1 m. Neglect hydrostatic uplift and use unit weight of concrete equal to 24.9 kN/m3. The coefficient of friction between the base of the dam and the foundation is 0.6. Determine the factor of safety against overturning.A concrete dam is triangular in cross section and (30+0.314)m high from the horizontal base. If water reaches a depth of (27+0.314)m on the vertical face, what is the minimum length of the base of the dam such that the resultant will intersect the base within the middle third? What minimum coefficient of friction is required to prevent sliding ? Determine the pressure distribution along the base. If the uplift pressure varies from half full hydrostatic at the heel to zero at the toe.The section of a concrete gravity dam is shown in the figure. The depth of the upstream side is 6.0 m. Neglect the hydrostatic uplift and use unit weight concrete equal to 24 kN/m3. The coefficient of friction between the base of the dam and foundation is 0.4. Determine the following: (a) factor of safety against sliding (b) factor of safety against overturning (c)the overturning moment acting against the dam in KN-m.
- A rectangular dam that is 4 meter wide and 10 meter high retains 8 meter high seawater with specific gravity equal to 1.05 . Determine the factor of safety for sliding and overturning per linear meter if the coefficient of friction between the dam and the sea floor is 0.8 and unit weight of concrete is 23.5kN/m^3.A. A concrete dam retaining water is show in the figure. If the specific weight of concrete is 23.5 KN/m^3. What is the total hydrostatic force? Find the resultant force. Find the factor of the safety against sliding if the coefficient of friction is 0.50. What is the factor of safety against overturning? Find the location of the resultant. Find the maximum intensity pressure. Determine the minimum intensity pressure.A masonry dam (sp.gr. = 2.4) of trapezoidal cross-section is 20 m high. It has a thickness of 2 m at the top and 14 m at the bottomas shown in the figure.Coef. of friction under the foundation is 0.80 and assuming there is hydrostatic upliftthat varies linearly from one-half the hydrostatic head at the upstream edgeof the dam to zero at the downstream edge.Determine
- A concrete dam retaining water is shown below, if the specific weight of concrete is 23.5 KN/m, find the factor of safety against sliding, the factor of safety against overturning, and the pressure intensity on the base. coefficient of friction between dam and foundation soil is 0.45 ? (y water 9.8 KN/m').A trapezoidal dam having a top width of 0.60m and a bottom width of 1.2m is 1.8m high. The depth of water on the vertical side of the dam is 2.4m. Unit wt. of concrete is 23.5 kN/m3. Neglecting hydrostatic uplift. Determine the total horizontal hydrostatic force acting on the dam, the factor of safety against overturning and the factor of safety against sliding if coefficient of friction between the dam and the soil is 0.80.A rectangular gravity dam has a height of 5 m. it retains water 4.2 m deep. Calculate the minimum width of the concrete dam that is necessary to prevent the dam from sliding. The specific gravity of the concrete is 2.4 and the coefficient of friction between the base of the dam and foundation is 0.5. Use factor of safety against sliding of 1.5. a. 2.556 m b. 1.963 m c. 2.292 m d. 2.205 m