The forces acting on a 1-m length of a dam is shown in the Figure. The upward ground reaction varies uniformly from an intensity of p1 kN/m to p2 kN/m at B. Determine p1, p2, and the horizontal and vertivcal resistance to sliding.
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The forces acting on a 1-m length of a dam is shown in the Figure. The upward ground reaction varies uniformly from an intensity of p1 kN/m to p2 kN/m at B. Determine p1, p2, and the horizontal and vertivcal resistance to sliding.
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- Given the following properties of bridge deck girder: Barrier Weight, BW = 7.3kN/m Future wearing surface load = 1.20 kPa, Span length, L=12.0 m, Load of stay-in-place metal forms, wsmf=0.335kPa Unit wt of concrete, wc=23.54 kN/m³ Slab thickness = 200mm. •Determine the shear and moment per interior girder due to Dead Load, DC. •Determine the shear and moment per interior girder due to Dead Load, DW.A solid shaft 5 m long is stressed to 60 MPa when twisted through 4 deg . Using G = 83 GPa, what power (Hp) can be transmitted by the shaft at 20 rps?A Hollow power transmission shaft of length ‘L’ 1103 mm, outer diameter ‘D’ 73mm and inner diameter 'd' 50. is required to transmit a power of P 60kW at a speed of 2950rpm. The modulus of rigidity of hardened carbon steel, which the shaft is made of, is 79.5 GPa. Calculate the polar second moment of area of the shaft?
- Shaft length, L and a different allowable maximum shear stress, τmax and subject to a different Torque, T. For steel use a shear modulus, G=81,000 MPa. A steel shaft L meters long is subjected to a torque T. If the shear stress is limited to τmax, calculate: a) The minimum shaft diameter required. b) The angle of twist over the length of the shaft. c) The Power output if your shaft is rotating at 2000 rpm. L= 1.6m, τmax=100MPa , T=1.3kN-mA solid steel shaft 4.5 m long is stressed at 75 MPa when twisted through 4.5°. What power can be transmitted by the shaft at 25 Hz? Use G = 83 GPa.A horizontal shaft AD supported in bearings at A and B and carrying pulleys at C and D is totransmit 75 kW at 500 r.p.m. from drive pulley D to off-take pulley C, Calculate the diameter of shaft. The data given is : P1 = 2 P2 (both horizontal), Q1 = 2 Q2 (bothvertical), radius of pulley C = 220 mm, radius of pulley D = 160 mm, allowable shear stress = 45 MPa.[Ans. 100 mm] Given CD=350mm CA=100mm AB=150mm BD=100mm