2) Find the internal forces in all the members of the truss shown. D A 10 ft B 5ft 5f1 c 100 kips
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- A long re Lai nine: wall is braced by wood shores set at an angle of 30° and supported by concrete thrust blocks, as shown in the first part of the figure. The shores are evenly spaced at 3 m apart. For analysis purposes, the wall and shores are idealized as shown in the second part of the figure. Note that the base of the wall and both ends of the shores are assumed to be pinned. The pressure of the soil against the wall is assumed to be triangularly distributed, and the resultant force acting on a 3-meter length of the walls is F = 190 kN. If each shore has a 150 mm X 150 mm square cross section, what is the compressive stressA cylindrical brick chimney of height H weighs w = 825 lb/ft of height (see figure). The inner and outer diameters are d1= 3 ft and d2= 4 ft, respectively. The wind pressure against the side of the chimney is p = 10 lb/ft2 of projected area. Determine the maximum height H if there is to be no tension in the brickwork.Continuous cable A DB runs over a small friction less pulley al D to support beam OABC, which is part of an entrance canopy for a building (see figure}. The canopy segment has a weight W = 1700 lb that acts as a concentrated load in the middle of segment AB. (a) What is the maximum permissible value of load P at C if the allowable force in the cable is 4200 lb? (b) If P = 2300 lb, what is the required diameter of pins A, B, and D? Assume that the pins are in double shear and the allowable shear stress in the pins is 10 ksi.
- A large precast concrete panel for a warehouse is raised using two sets of cables at two lift lines, as shown in the figure part a. Cable 1 has a length L1 = 22 Ft, cable 2 has a length L2= 10 ft, and the distance along the panel between lift points Band D is d = 14 ft (see figure part b). The total weight of the panel is W = 85 kips. Assuming the cable lift Forces F at each lift line are about equal, use the simplified model of one half of the panel in figure part b to perform your analysis for the lift position shown. Find the required cross-sectional area AC of the cable if its breaking stress is 91 ksi and a factor of safety of 4 with respect to failure is desired.Repeat Problem 11.2-3 assuming that R= 10 kN · m/rad and L = 2 m.using the method of sections , analyse the truss shown in figure 8 below reguarding forces in menbers ED , DF AND FC .
- Find the residual forces acting in a truss with members AC=1000N (T), EG=520N (T), and FH=1200N (C) as indicated in Figure 2. Determine the loads P1, P2, and P3 as well. Use four decimal places.Find the residual forces acting in a truss with members AC=1000N (T), EG=520N (T), and FH=1200N (C) as indicated in Figure 2. Determine the loads P1, P2, and P3 as well.Find the residual forces acting in a truss with members’ AC=1000N (T), EG=520N (T), and FH= 1200N (C) as indicated in Figure 2. Determine the loads P1, P2, and P3 as well.
- Find the residual forces acting in a truss with members’ AC=1000N (T), EG=520N (T), and FH= 1200N (C)as indicated in Figure 2. Determine the loads P1, P2, and P3 as well.For the truss given below, it is desired to determine the normal efforts that act on the members, so that, thus, possible constraints for its design are possible. Consider that at point A there is a second gender support; and at point D, a first-class support. As this is asked: what is the effort acting on bar AB? Is it guidance or assessment?Source: Hibbeler (2004, p. 588). HIBBELER, R. C. Resistance of Materials. 5. ed. Rio de Janeiro: Technical and Scientific Books Publisher, 2004. Question 1 options: a) A compression force of 100 kN acts on bar AB. B) A tensile effort of 100 kN acts on bar AB. c) A compressive force of 141.42 kN acts on bar AB. d) A compression force of 200 kN acts on bar AB. e) A tensile effort of 141.42 kN acts on bar AB.find the longitudinal strtain experienced by the strut it width is 8mm and height is 20mm