If the total passive thrust is 200 kN/m2 and total active thrust is 500 kN/m2, then determine the safe friction force required to prevent sliding.
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If the total passive thrust is 200 kN/m2 and total active thrust is 500 kN/m2, then determine the safe friction force required to prevent sliding.
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- 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 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.A sliding gate 3m wide by 1.60 m high is in a vertical position. The coefficient of friction between the gate and guides is 0.20. If the gate weigh 18 kn and its upper edge is 10 m below the water surface, what vertical force is required to lift it? Neglect the thickness of the gate.
- A rectangular dam has a height and width of 25 m and 15 m, respectively. The depth of water on one side of the dam is 20 m, and the coefficient of friction between the dam and the foundation is 0.8. Neglect the effect of hydrostatic uplift. Determine the hydrostatic force on one side of the dam considering 1-meter strip. Calculate the factor of safety against sliding if the specific gravity of the dam is 2.31. Evaluate 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.A rectangular dam has a height and width of 25 m and 15 m, respectively. The depth of water on one side of the dam is 20 m, and the coefficient of friction between the dam and the foundation is 0.8. Neglect the effect of hydrostatic uplift. 1. Determine the hydrostatic force on one side of the dam considering 1-meter strip. 2. Calculate the factor of safety against sliding if the specific gravity of the dam is 2.31 3. Evaluate the factor of safety against overturning. Note: Answer the situations with complete solutions. Write your final answer in two decimal places. Please use the correct unit and box the final answer Thank you
- As shown below, a 100-lb smooth steel ball is seen resting on two smooth-surfaced inclines. What are the contact forces on point E and F respectively?calculate the hydrostatic effect of the shaped 3M x 6m cover and the location of the thrust center with the help of a ) formula B) pressure gauge.A bridge across a river has an elevation as shown. When the river is in flood, the upstream water surface is level with the road surface and the downstream level is 5 m below it. Assuming the pressure distribution to be hydrostatic, calculate a) the horizontal thrust upon the bridge and b) the overturning moment acting upon it.
- 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.The small 0.6-kg block slides with a small amount of friction on the circular path of radius 3 m in the vertical plane. If the speed of the block is 5 m/s as it passes point A and 4 m/s as it passes point B, determine the normal force exerted on the block by the surface at each of these two locations.A dam 4 m wide at the top, 10 m at the bottom, and 20 m high has water 15 m deep on its vertical side. What is the factor of safety against sliding? Assume the coefficient of friction of 0.80 and neglect uplift. Use the unit weight of concrete to be 23.50 kN/m3