The solid steel beam has a square cross sectional profile and supports a load of 65.5 kN. The steel will yield at 250 MPa. Using a factor of safety of 1.5, determine the minimum thickness (t) in mm of the beam needed to support the load. F kN
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- The tube is made of copper and has an outer diameter of 35 mm and a wall thickness of 7 mm. Determine the eccentric load P that it can support without failure.The tube is pin supported at its ends. Ecu = 120 GPa, sY = 750 MPa.The ultimate stress for a hollow steel column which carries an axial load of 1.9MN is 480N/mm if the external diameter of the column is 200mm determine the internal diameter. Take the factor of safety as 4Determine the diameter of a circular rod made of ductile material with a fatigue strength (complete stress reversal) σe = 280 MPa and a tensile yield strength of 350 MPa. The member is subjected to a varying axial load from 700 kN to – 300 kN. Assume Kt = 1.8 and F.S. = 2.
- The strut is supported by a pin at C and an A-36 steel (Young’s Modulus is 200 GPa) guy wire AB. If the wire has a diameter of 5 mm, determine how much it stretches when the distributed load acts on the strut. W0=11Kn/mA 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 cylindrical pressure vessel has an inner diameter of 5 ft and a thickness of 3/4 in. The stress capacity of the pressure vessel is 25ksi. If a safety factor of 1.2 is required for the design, determine the maximum internal pressure (in psi) it can sustain. A-36 steel with the following properties: Modulus of Elasticity, E = 29x10^3 ksi or 200 GPa Shear Modulus/Modulus of Rigidity, G = 11.5x10^3 ksi or 79.3 GPa Poisson's Ratio, nu = 0.260 Temperature Coefficient for thermal expansion, a = 6.6x10^-6/°F or 11.7x10^-6/°C