Solve by the rigidity method. Solve the following problem with k-50 kN/cm for the horizontal spring and k=70 kN/cm for the vertical spring. E= 200,000MPA, A= 70cm2, I= 1,000cm4 3 KN/m |5 m W 5 m
Q: PROBLEM NO. 2 20 KN/m Using approximate method, calculate all support reactions E 8 m 5m
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- Solve using the spefic weight of water which is 62.4 lb/ft^3A 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 = 4.8Problem 4 A square gate (2m on each side) is submerged vertically in water such that the upper edge of the gateis at a depth of 0.5 m from the watersurface. Draw the figure and find the hydrostatic force and the location of the center of pressure.
- A parabolic gate AB is 7 meters perpendicular . Determine the following : 1. Compute the horizontal component of the hydrostatic force acting on gate AB. 2. Compute the vertical component of the hydrostatic force acting on the gate AB. 3. Compute the force at A that is required to prevent rotation about the hinged at B. Note: Always consider the height of the water when determining the pressure .A rectangular tank 6 m long, 3 m wide and 2m deep contains water to a depth of 1 m. It is accelerated horizontally at 2.5 m/s2 in the direction of its length. A. Determine the net force due to water acting on each end of tank. B. Determine the minumum pressure intensities at bottom C. Determine the slope of the free surfaceA cylinder weighing 400 lb is held against a smooth incline by means of the weightless rod AB in FIig. P-309. Determine the forces P and N exerted on the cylinder by the rod and the incline respectively.
- A scoop carries 610 kg of load with center of mass at G. Neglecting the mass of the members, calculate the following: (Use g = 9.806 m/s^2) a. The hydraulic force in IJ, and b. The hydraulic force in BC.Determine the vertical distance of the center of gravity of the curved gate from the water surface shown in the figure. The curved gate is 5.7 m long. The values of the vertical component (Fv) and the resultant force. (F) acting on the gate are 300 kN and 400 kN asapDetermine the total pressure in kN on a plane rectangular surface of 1 m wide and 3 m deep when its upper edge is horizontal and coincides with water surface. a. 121.45 b. 103.0 c. 59.34 d. 44.14
- A concrete gravity dam has the following data: Maximum water level = 300.00 m Bed level = 220.00 m R.L top of dam = 304.00 m %3D The d/s slope of 0.67:1 starts at RL of 295.00 m U/s face is vertical. Center line of the drainage gallery = 8.0 m from u/s face. Consider only weight of dam, water pressure and uplift pressure. Calculate only the normal stresses at the toe and heel of the dam, assuming 100% uplift pressure at the h eel and 50% at the gallery and zero at the toe.Determine the pressure difference between points A and B in (Pa).A 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