9. Which of the following most nearly gives the total deformation of the steel rod?c. 32.07 mma. 34.52 mmb. 35.48 mmd. 29.88 mm Situation 2: A steel rod having a length of 50 m is suspended vertically fromone end. It supports a tensile load of 250 kN at the lower end. The unit weight ofthe steel is 7,850 kg/m³. The allowable tensile stress for steel is 140 MPa. Use E= 200 GPa.

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Answered: Situation 2: A steel rod having a…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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A cylindrical specimen of 1018 steel having a diameter of 6.35 mm and a gauge length of38.1 mm is pulled in tension. Use the load-elongation characteristics tabulated below. Determine the yield strength (σy) at a strain offset of 0.002.
A steel rod having a length of 50m is suspended vertically from one end. It supports a tensile load of P = 250 kN at the lower end. The unit weight of the steel is 7850 kg/m^3. The allowable tensile stress for steel is 140 MPa. Use E = 200 GPa. Determine the total deformation of the steel rod.
An aluminum rod is rigidly attached between a steel rod and a bronze rod as shown below. Axial loads are applied at the positions indicated. Find the maximum value of P in Newton that will not exceed a stress in steel of 150 MPa, in aluminum of 87 MPa, or in bronze of 97 MPa.
3) An bronze rod is rigidly attached between a aluminum rod and a steel rod as shown. Axial loads are applied at the positions indicated. Find the maximum allowable value of P that will not exceed a stress in steel of 140MPA, in aluminum of 90MPA or in bronze of 100MPа. Aluminum A = 500mm? Bronze A = 200mm? Steel A = 150mm2 2P ЗР L st = 1.2m L br = 2m Lal = 3.5m
3. An aluminum rod is rigidly attached between a steel rod and a bronze rod as shown in the figure. Axial loads are applied at the positions indicated. Find the maximum value of P that will not exceed a stress in steel of 140 MPa, in aluminum of 13.05 ksi, or in bronze of 100 MPа. Aluminum A = 400 mm? Bronze A = 200 mm Steel A = 500 mm? 2P 4D 2.5 m 2.0 m 1.5 m
A cylinder is made of steel plate is intended to be used as a container for compressed air. The dimensions of the cylinder are L=2m, D=60cm, and t = 0.005m. If the ultimate tensile stress of the steel is 400 N/mm², Young's modulus is 200000 MPa and Poisson's ratio is 0.25. 1- Determine the maximum air pressure that can be stored in the cylinder (use factor of safety = 2) 2- Determine the change in the volume of the cylinder due to storing maximum pressure.
2. Given a 5 mm diameter steel wire, which is 4 meters long, carries an axial tensile load P. Find the maximum safe value of P if the deformation of the wire is limited to 5.5 mm and the allowable normal stress of the wire is 280 MPa. Use 200 000 MPa for the modulus of elasticity of steel.

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Situation 2: A steel rod having a length of 50 m is suspended vertically from one end. It supports a tensile load of 250 kN at the lower end. The unit weight of the steel is 7,850 kg/m³. The allowable tensile stress for steel is 140 MPa. Use E = 200 GPa.