subjected to uniform uniaxial tension of 95 MPa. A large uniform plate containing a rivet hole is The maximum stress in the plate is 1Pa
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- Solve the preceding problem if the norm al and shear stresses acting on the element are sx = 2100 kPa, sy= 300 kPa, and txy= -560 kPa, and the seam is oriented at an angle of 22.5° to the clement.A spherical balloon with an outer diameter of 500 mm and thickness 0.3 mm is filled with a gas. Calculate maximum permissible pressure in the balloon if the allowable normal strain at the outer surface of the balloon is O.h Assume E = 4 MPa and v = 0,45.-26 A rectangular plate of dimensions 125 mm × 75 mm is subjected to tensile stress sy= 67 kPa and compressive stress a. If it is known that the normal stress along the diagonal t—t is ??t= -6.57 kPa, find stress ??y on element A. a
- .4 The stresses on an clement arc known to be sx= 120 MPa, sy= 100 MPa, and txy= 75 MPa. Find the stresses on an inclined section through the element at an angle ? = 45°.A solid circular bar having diameter d is to be replaced by a rectangular tube having cross-sectional dimensions d × 2d to the median line of the cross section (see figure). Determine the required thickness tminof the tube so that the maximum shear stress in the tube will not exceed the maximum shear stress in the solid bar.The given plate below with width of 200 mm andthickness of 16 mm is to be connected to two plates ofthe same width with half the thickness by 20 mmdiameter rivets as shown. The rivet hole is 2 mm greaterthan the rivet diameter. Allowable tensile stress on netarea is 0.6Fy. Allowable bearing stress is 1.35Fy. plate: fy = 241 mpa fu = 4141 mpa rivet: fv = 152 mpa Determine maximum load P for block shear
- A steel tank has an inside diameter of 3 m and 6 m high contains gasoline with a relative density of 0.75. Determine the wall thickness required if the allowable tangential stress is 25,000 kPa. A. 2.65 mm C. 3.27 mm B. 1.44 mm D. 4.23 mmAn axial pull of 40000 N is acting on a bar consisting of three sections of length 30 cm, 25 cm and 20 cm and of diameters 2 cm, 4 cm and 5 cm respectively. If the Young’s modulus = 2 × 105 N/mm2, determine : (i) stress in each section and (ii) total extension of the bar.The T-bracket is formed by welding together two cylindrical rods AB and CD. If the allowable shear stress is 80 MPa, what is the smallest allowable diameter of rod AB? Neglect the stress caused by the transverse shear force
- A pulley is supported by a circular pin at A. The pin has a diameter of d = 0.375 in., and each side of the pulley support bracket has a thickness of t = 0.3125 in. The average shear stress in the pin cannot exceed 45 ksi, and the bearing stress in the pulley support bracket cannot exceed 65 ksi. Determine the maximum value of Pmax that can be supported by the assembly.A composite square member of varying sizes is subjected to axial forces along its centerline, as shown. The members' cross-sectional dimensions, from smaller to larger, are 50 mm ´ 50 mm, 75 mm ´ 75 mm, and 100 mm ´ 100 mm, respectively. (a) What are the normal stresses (in MPa) induced in the bar material at Section A-A, Section B-B, Section C-C? (b) What are the changes in the axial (4.28 ft), width (100mm), and thickness (100 mm) direction (in mm), at Section C-C? Assume n = 0.25 and E = 200,000 MPa., 1 ft = 0.3048 mAn axial pull is acting on a bar consisting of two different materials is shown in figure.If the Young’s Modulus of M.S steel and Copper is 2 x 105 N/mm2 and 121 GPa respectively. Determine (i) Stress induced in each section, and; (ii) Total extension of the bar