The plates in the figure below are each 3 inches by 0.5 inches in cross section. If the hole in each plate is 13/16 in diameter and the load p is 20 kips, determine the average tensile stress in the plate.
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- The gusset is riveted to a larger plate by 4 – 22mm rivets in single shear arranged andloaded as shown. Calculate the stress in the most heavily loaded rivet.10/10 find the tensile stress in upper plate in section 3-3 1 80 kN 80 kN 8-bolt DIA. 10 MM 80 kN 80 kN 8-bolt DIA. 10 MM ww 8 300 mm (2) -O- O 3)For the given riveted connection shown, having the allowable stresses: Fy = 248 MPa Fy = 150 MPa (shear stress) Tensile stress = 0.60 Fy Bearing stress = 1.35 Fy Rivet hole has a diameter 2mm greater than the rivet diameter. The main plate has a width of 300mm and a thickness of 20mm. Determine the diameter of rivets such the shear capacity of the rivets is equal to its bearing capacity. Also, compute the maximum value of P so as not to exceed the allowable tensile stress of plates. 300 mm t/2 -P/2 P- -P/2
- For the given riveted connection shown, having the allowable stresses: Fy = 248 MPa Fy = 150 MPa (shear stress) Tensile stress=0.60 Fy Bearing stress = 1.35 Fy Rivet hole has a diameter 2mm greater than the rivet diameter. The main plate has a width of 300mm and a thickness of 20mm. Determine the diameter of rivets such the shear capacity of the rivets is equal to its bearing capacity. Also, compute the maximum value of P so as not to exceed the allowable tensile stress of plates. P- O JAK O O 300 mm -P/2 -P/2A flange bolt coupling consist of 8-12.7mm steel bolts on a circle diameter of 304.80mm & 6-12.7mm steel bolts on a circle diameter of 228.60 mm. is subjected to a 950KN-mm torque.The shear stress developed in the outer circle of the flange bolt coupling is ___ MPa. (A) 1.50 B 6.80 (C) 3.20 (D) 4.30 E 8.10A plate is fastened to a fixed member by four 16mmO rivets arranged as shown. Compute the maximum shearing stress developed in the rivets. See figure 12. * 30KN 100mm spacing 30KN Figure 12
- A bronze pipe (1) is to be connected to analuminum alloy pipe (2) at flange B. When put in place, however, a gap of A - 0.20 in. exists between the two pipes. Bronze pipe (1) has an elastic modulus of E, - 16,000 ksi, a cross-sectional area of Az - 2.75 in.?, and a length of L1- 44 ft. Aluminum alloy pipe (2) has an elastic modulus of E2 - 10,000 ksi, a cross-sectional area of A2 - 1.32 in. 2, and a length of L2 - 10.5 ft. If bolts are inserted in the flanges and tightened so that the gap at Bis closed, determine: (a) the normal stresses produced in each of the members. (b) the final position of flange B with respect to support A. L2 В (2) (1) Answer: (2) 01- ksi 02 - ksi (b) OB/A - in.b. The gusset plate shown in Figure 10 is welded to a vertical member. The gusset plate carries a load of 250 kN acting at a distance of 250 mm from the closest edge of the weld. The weld around the gusset plate is completed in two 140 mm horizontal portions and one 320 mm vertical portion. If the maximum allowable shear stress of the weld is 200 N/mm², detemine the minimum thickness of the weld required. In calculations, the second and higher order terms of the weld thickness for second moment of area calculations may be neglected. 250 kN 140 mm 250mm 140 mm Figure 10 320 mmIn an industrial shade on edge support consisting of two angle 110 mm x 100 mm is to be connected to a 16 mm gusset plate for a tensile load of 650 kN. Design the moment free welded connection. The distances of centroid of angle from the back side of legs are C₁=C₁ = 30.9 mm. The strength of the weld per mm thickness per mm length is 76 MPa.
- Considering the following steel connection. The plates in Pink are 9mm steel plates. The middle plate (Yellow) is 18mm thick. The width of the plate is 100mm. The maximum allowable tension stresses on any of the plates is 100Mpa in Gross Area Yielding and 150 Mpa for Net Area or Tension Rupture. The bolts used are 8mm in diameter, the holes are 10mm in diameter, no need to add 1.6mm. The bolts allow a maximum of 280 Mpa of shear. Determine the maximum allowable "P" of the connection in kN.For the rivet connection shown in figure 2-4, the allowable shearing stress in the 25mm rivets is 140 MPa. Assume the plates are adequate to transmit the load to the rivets. P= 60 KN. a) Determine the shearing stress in the most stressed rivet. b) Determine the maximum allowable value of P. c) If P=80 KN, determine the minimum diameter of rivets. USE NSCP 2015. Thanks.ACTIVITY The figure shows a roof truss and the detail of the connection at joint B. Members BC and BE are angle sections with thickness shown in the figure. The working stresses are 70MPa for shear in rivet and 140MPa for bearing stress due to the rivets. How many 19-mm diameter rivets are required to fasten the said members to the gusset plate? K.R.R.P. wwwwwwww 00 400 4m B 3m C 96KN 4m 6m 200KN E Am 3m F 96KN 4m H DETAIL OF JOINT B 75X75X6 mm ------------- · ET---- I 14 mm thick GUSSET PLATE P BC 75X75X13 mm P BE