A tall tower is to be supported by a series of steel wires. It is estimated that the load on each wire will be 11,100 N. Determine the minimum reguired wire diameter assuming a factor of safety of 2 and a yield strength of 1030 MPa.
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- A large tower is to be supported by a series of steel wires; it is estimated that the load on each wire will be 13,300 N (3000 lbf). Determine the minimum required wire diameter, assuming a factor of safety of 2.0 and a yield strength of 860 MPa (125,000 psi) for the steelA large water tank that has a capacity to carry 20,000 liters is to be supported by four cylindrical posts. These four support posts are made of plain carbon (1045) steels with the yield and tensile strengths of 310 MPa and 565 MPa, respectively. Determine the minimum required diameter of the post assuming a factor of safety of 5.A 100-mmmm long rod has a diameter of 15 mmmm. If an axial tensile load of 145 kNkN is applied, determine its change in length. Assume linear-elastic behavior with E� = 200 GPaGPa.
- A circular-cross-section bar with a diameter of 50mm and a length of 1.25 m is axially loaded. The baris made of medium-carbon steel. Both ends are pinned.Determine(a) Whether the Johnson or the Euler formula shouldbe used.(b) The critical load.A plate having a width of 60 mm is subjected to a varying axial load of 90 KN to 45 KN. Material tests show, Sy = 280 MPa and Sn = 160 MPa. Factor of safety based on yield point is 2. Find the maximum permissible value of the thickness of this plate.A solid rod has a diameter of 30 mm and is 600 mm long. It is made of a material that can be modeled by the stress–strain diagram shown in Fig. If it is used as a pin-supported column, determine the critical load.
- 22. Series of steel wires support a large tower. It is estimated that the load on each wire will be 2500 lbf. Determine the minimum required wire diameter (in inches). Assuming factor of safety of 2 and a yield strength of 1030MPa. Round of to nearest tenths.Determine if the following column is long or short, and then determine the critical load on a steel column having a rectangular cross-section, 12mm by 18mm and length of 250 mm. it is fixed on both ends and made from a steel that has the following properties: E=209 Gpa and Sy=290 Mpa. What is the Slenderness ratio, The Cc, The long or short column, The critical load.A cylindrical rod of steel (E = 207 GPa) having a yield strength of 45,000 psi is to be subjected to a load of 11,100 N. If the length of the rod is 20.0 in., what must be the diameter to allow an elongation of 0.38 mm?
- A column consists of a 2.5 m long hollow tube with an outside diameter equal to 1.5 times that of the inside diameter. The column must carry an axial load of 40 KN without buckling. Use a factor of safety of 5 and calculate the dimensions of the tube if one end is fixed and the other end is free. Use the Euler formula and take ?=200 ???.To support a tensile load of 65 kN, a metallic rod with a cross-sectional area of Circle and a length of 0.32 m will be used. It is desirable that the voltage on the rod does not exceed 240 MPa, and the maximum extension is 0.42 mm. How many [m] should the minimum (minimum) Rod diameter be in these conditions? Calculate. (Take the elasticity module as 220 GPa for the metallic Rod).A hollow cylindrical rod with a diameter of 100mm and a thickness of x tensile load of 12.5 kN. Find the smallest material thickness according to the given parameters. The yield strength = 450 MPa, tensile strength = 520 MPa and the factor of safety is 2