3: The T-beam shown in the figure is fabricated by welding together two steel. plates. If the allowable shear stress for the weld is 80 MPa, what is the maximum allowable shear force V? | y
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- : A cylindrical tank with diameter d = 18 in, is subjected to internal gas pressure p = 450 psi. The tank is constructed of steel sections that arc welded circum fereiitially (sec figure). The heads of the tank are hemispherical. The allowable tensile and shear stresses are 8200 psi and 3000 psi, respectively. Also, the allowable tensile stress perpendicular to a weld is 6250 psi. Determine the minimum required thickness /minof (a) the cylindrical part of the tank and (b) the hemispherical heads.A spherical tank of diameter 48 in. and wall thickness 1.75 in. contains compressed air at a pressure of 2200 psi. The tank is constructed of two hemispheres joined by a welded seam (see figure). (a) What is the tensile load/ (lb per in. of length of weld) carried by the weld? (b) What is the maximum shear stress rm2Xin the wall of the tank? (c) What is the maximum normal strain e in the wall? (For steel, assume E = 30 X 10 psi and v = 0.29.)Two steel rods are welded together (see figure): the seam is oriented at angle ? = 50°. The stresses on the rotated element are sx1=10 ksi, sy1= -12 ksi, and tx1y1= -5 ksi. Find the state of plane stress on the clement if it is rotated clockwise to align the x3 axis with the longitudinal axis of the rods.
- 3- A cylindrical thin-walled pressure vessel was made by welding components together in a helical pattern, as shown in the figure. If the internal pressure within the vessel is p = 0.3 MPa, determine the normal stress perpendicular to the weld line and the shear stress tangential to the weld line. 400mm t=8mm 20 5 weld line -XA rectangular plate (0 =25°) is formed by welding two triangular plates shown in figure. The plate is subjected to a compressive stress of 2.5 MPa in the x-direction and a tensile stress of 15 MPa in the y-direction. Determine the normal stress acting perpendicular to the line of the weld and the shear stress acting parallel to the weld. y Weld Lütfen birini seçin: a. 0.417 MPa/4.38 MPa b. None O c. 0.6256 MPa/6.70 MPa O d. 11.874 MPa/6.70 MPa e. 9.3175 MPa/6.09 MPa O O Oare of 10 mm size and the weld length is 30 mm. loading F as shown in figure. Both legs of the fillets considering the minimum throat of the weld, the A fillet welded joint is subjected to transverse loading Fas shown in figure. Both legs of the fillets ere of 10 mm size and the weld length is 30 mm. If the allowable shear stress of the weld is 94 MPa, considering the minimum throat of the weld, the maximum allowable transverse load in kN is F
- A rectangular plate (0 =23°) is formed by welding two triangular plates shown in figure. The plate is subjected to a compressive stress of 2.3 MPa in the x-direction and a tensile stress of 13 MPa in the y-direction. Determine the normal and the shear stresses acting parallel to the weld. Weld Lütfen birini seçin: a. 10.664 MPa/5.50 MPa b. 0.3131 MPa/4.93 MPa c. None d. 0.0358 MPa/5.50 MPa e. 9.3175 MPa/6.09 MPaThe steel shafts are connected together using a fillet weld as shown in the figure below. (Figure 1) 12 mm T=60 N-m 12 mm 50 mm- 12 mm 1 12 mm Determine the average shear stress in the weld along section a-s if the torque applied to the shafts is T = 63 N-m. Note: The critical section where the weld fails is along section a-a.3- A bracket, as shown in Fig., carries a load of 10 kN. Find the size of the weld if the allowable shear stress is not to exceed 80 MPa. 20 kN 100> -200- All dimensions in mm. 150
- Problem A-1 [Pressure Vessel Problem] A welded cylindrical pressure vessel is shown in the figure. The inner diameter is 600 mm. The wall thickness is 10 mm. Given the gage pressure of 5 MPa, determine (1) the normal stress perpendicular to the weld line and (2) the shear stress parallel to the weld line. Weld Line 30°Required Information A steel bar of thickness h, to be used as a beam, is welded to a vertical support by two fillet welds as shown in the figure. The allowable shear stress in the weld is 27 kpsl. NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. Fod d h c = 6 In d=2 In h = 0.325 in | F The dimensions for the parameters in the figure are given below. b=2 in Using electrode E7010, a bar that is hot-rolled 1020, and a support that is hot-rolled 1015, find the allowable force, F, on the weld. The allowable force, F, on the weld is klp.A welded joint of circular shaft as shown in figure is subjected to an eccentric load of 2.5 kN. If the maximum shear stress in the weld is 30 MPa, then the size of weld in mm will be 50mm 160mm