Identify the maximum load intensity w0 that can be applied if the weld can resist a maximum shearing stress τallow of 90 MPa. Given that the centroid ?̅ of the beam is located at 110.485 mm from the base of the beam
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Identify the maximum load intensity w0 that can be applied if the weld can resist a maximum shearing stress τallow of 90 MPa. Given that the centroid ?̅ of the beam is located at 110.485 mm from the base of the beam.
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- A uniform beam of weight Wis supported by the two rods, the lower ends of which are at the same level just before the beam is supported, as shown in figure. The ratio of the areas Aluminium (E = 70 GPa) 2 m 1.5 m W 3 m 3m Aaluminium Asteel Steel (E = 200 GPa) 0.5 m of the rods so that the beam will be horizontal after it is attached to the rods isWhat is the midspan value of EI δ for the beam loaded as shown.Mechanics of Deformable Bodies Problem: The figure shows the upper half of a built up girder( the cross section is symmetric about the neutral axis). All rivets used in fabrication have a diameter of 22 mm. The moment of inertia of the entire cross sectional area of the girder about the neutral axis is l=4770x10⁶mm⁴. The working stresses are 100 MPa for rivets in shear and 280 MPa for bearing of the web plate. If the maximum shear force carried by the girder is 450 kN, determine the largest allowable spacing of rivets that join the angles to the web plate.
- Determine the location of the resultant from A of the coplanar parallel system shown in the figureA cantilever beam of length L and depth h is subjected to a uniform temperature rise along its length. At any section, however, the temperature increases linearly from t1 on the undersurface of the beam to t2 on its upper surface. If the coefficient of linear expansion of the material of the beam is a, calculate the deflection at its free end. Ans. a(tz-t1)L²12h.Two wires are welded together end to end. The wires are made of the same material, but the diameter of one is twice that of the other, di = 2 d2. They are subjected to a tension of T= 4.60 N. The thin wire has a length of L2 = 40.0 cm and a linear mass density of 2 = 2.00 g/m. The combination is fixed at both ends and vibrated in such a way that two antinodes are present, with the node between them being right at the weld. (a) What is the frequency of vibration? (b) What is the length of the thick wire, L1 =? N A N A N o d2 L,, µi L2, H2
- A structural component in a fighter jet aircraft has a cellular cross-section (Fig. Q1). The component is 2 m long and is fabricated from an Al alloy, whose modulus of rigidity is 30 GPa. During a certain maneuver of the aircraft, a torque of 40 Nm is applied to the component. Using the Membrane Analogy Method, calculate: (a) the torsional shear stress in each cell of the cross-section; and (b) the angle of twist of the component, giving your answer in degrees. 2mm 75 15m 600mm FIG. Q1Analyse the frame shown in figurePlease solve for the angular deformation of one end relative to the other end
- A Analyse the beam shown by the method of Consistent deformationThe switch shown is designed to close as the temperature rises causing AB and CD to expand and making point E come in contact with point F. Arm AB is made of steel with a CTE of ast = 12x10-6/ °C, and arm CD is made of aluminum with a CTE of aa = 24x10-é /°C. At 20 °C, arm BDE is vertical as shown. Determine the required gap, s, (at 20 °C) if the switch is to close at 120 °C, knowing that LBD = 400 mm and LDE = 160 mm. Express your answer in mm to the nearest 0.001 mm. E DPlease help me with this one. You can use the 2nd photo as reference. Subject: Strength of materials Topic: Thermal stresses