Calculate the critical buckling load for the strut shown, for L = 2.3 m, B = 23 mm and D = 89 mm. Young's modulus for the strut material is 200 GN/m². Answer should be in kilo Newton's Pc B A Z Cross-section of strut PLEASE DON'T USE CHATGPT
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- 2 T « A solid round bar 60 mm in diameter and 2.5 m long is used as a strut. One. of the strut is fixed, while its other end is hinged. Find the safe compressive load for this strut, 4 gEuIef'S formula. Assume E = 200 GN/m? and factor of safety = 3. Splease see attached pic need force for memebers EG DG DFA uniform Steel strut (material Modulus of Elasticity 200 GN/m2, Poisson’s Ratio 0.3) oflength 0.5m and width 100 mm is restrained as appropriate at one end and under an axialtensile load of 25 KN applied to the other end face. It has been initially designed with a thickness of 5mm. This gives a hand calculated stressvalue of 50 MN/ m2, which is a quarter of the material’s Yield Stress, of 200 MN/m2, givinga factor of safety of four. Conduct computer FEA simulations applying element types(tetrahedral, hexahedral) and a range of element sizes (2mm, 5mm & 10mm), presenting findings in a tabulated format.
- 300 N - 0,3 m 0.4 m For the shown figure, sketch the free body diagram for each element. The links section is a square of 0.2 ni 30x30 mm. The link material is ST37 with yield stress of 210Mpa and modulus of elasticity is 210000 MPa. For link BEC, calculate all the stresses and the compound stress at 0.7 m the critical section. Check the links DE for buckling.Please answer the problem completely. Show a free body diagram. Final answers: 1st section: 166.67 mPa 2nd Section: 55.56 mPa 3rd Section: 122.22 mPaThe hoisting arrangement for lifting a largepipe is shown in the figure. The spreader is a steeltubular section with outer diameter 70 mm and innerdiameter 57 mm. Its length is 2.6 m, and its modulusof elasticity is 200 GPa. Based upon a factor of safety of 2.25 with respectto Euler buckling of the spreader, what is the maximumweight of pipe that can be lifted? (Assumepinned conditions at the ends of the spreader.)
- Please don't provide handwritten solution ......Rigid bar ACB is supported by an elastic circular strut DC having an outer diameter of 15 in. and inner diameter of 14.4 in. The strut is made of steel with a modulus elasticity of E = 29,000 ksi. Point load P = 5 kips is applied at B. Calculate the change in length of the circular strut DC. What is the vertical displacement of the rigid bar at point B?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.
- -11 A rubber cube R of a side L = 3 in. and cross- sectional area A = 9 in2 is compressed inside a steel cube S by a force F = 5 lb that applies uniformly distributed pressure to the rubber. Assume E 0.3ksi and,, = 0.45. (a) Calculate the lateral pressure between the rubber and steel (disregard friction between the rubber and the steel, and assume that the steel block is rigid when compared to the rubber). (b) Calculate the change in volume of the rubber.A steel cable with a nominal diameter of 25 mm (see Table 2-1) is used in a construction yard to lift a bridge section weighing 38 kN. as shown in the figure. The cable has an effective modulus of elasticity E = 140 GPa. (a) If the cable is 14 m long, how much will it stretch when the load is picked up? (b) If the cable is rated for a maximum load of 70 kN, that is the factor of safety with respect to failure of the cable?A simple log bridge in a remote area consists of two parallel logs with planks across them (see figure). The logs arc Douglas fir with an average diameter 300 mm. A truck moves slowly across the bridge, which spans 2.5 m. Assume that the weight of the truck is equally distributed between the two logs. Because the wheelbase of the truck is greater than 2,5 m, only one set of wheels is on the bridge at a time. Thus, the wheel load on one log is equivalent to a concentrated load W acting at any position along the span. In addition, the weight of one log and the planks it supports is equivalent to a uniform load of 850 N/m acting on the log. Determine the maxi mum permissible wheel load W based upon (a) an allowable bending stress of 7.0 MPa and (b) an allowable shear stress of 0.75 MPa.