5 A flanged bolt coupling has ten 12-mm di ameter steel bolts on 500 mm diameter b olt circle and six 16 mm diameter aluminu m bolts on 300 mm diameter bolt circle. Determine the maximum torque that can be applied without exceeding the shear s tress of 60 MPa in steel or 40 MPa in alu minum. Use G = 80 GPa for steel and 30 GPa for aluminum. Drawing not included in this problem.(
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- Compute the nominal shear strength of an M107.5 of A572 Grad 65 steel.STAGGERED CONNECTIONS: A PLATE WITH WIDTH OF 400 mm AND THICKNESS OF 12 mm IS TO BE CONNECTED TO A PLATE OF THE SAME WIDTH AND THICKNESS BY 34 mm DIAMETER BOLTS, AS SHOWN IN THE FIGURE. THE HOLES ARE 2 mm LARGER THAN THE BOLT DIAMETER. THE PLATE IS A36 STEEL WITH YIELD STRENGTH Fy = 248 MPa. ASSUME ALLOWABLE TENSILE STRESS ON NET AREA IS 0.60Fy. IT IS REQUIRED TO DETERMINE THE VALUE OF b SUCH THAT THE NET WIDTH ALONG BOLTS 1-2-3-4 IS EQUAL TO THE NET WIDTH ALONG BOLTS 1-2-4. a. CALCULATE THE VALUE OF b IN MILLIMETERS. b. CALCULATE THE VALUE OF THE NET AREA FOR TENSION IN PLATES IN SQUARE MILLIMETERS. c. CALCULATE THE VALUE OF P SO THAT THE ALLOWABLE TENSILE STRESS ON NET AREA WILL NOT BE EXCEEDED.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.
- Determine the design tensile strength of plate (200x8 mm) connected to 10-mm thick gusset using 20 mm bolts as shown in the figure, if the yield and the ultimate stress of the steel used are 250 MPa and 410 MPa, respectively. Add 1mm around the bolt for the hole. Use LRFD method. Plate 8-mm thick 2 3 40+ 30 301 T 200 mm Gusset 10-mm thick 3af 30 2_3 *40 40+ 50,54 +40For the clevis connection shown, determine the shear stress in the 23-mm-diameter bolt for an applied load of P = 165 kN. O 141 MPa O 211 MPa O 167 MPa O 120 MPa O 199 MPa ClevisP4.002 Three bolts are used in the connection shown in the figure. The thickness of plate (1) is 15 mm. The ultimate shear strength of the bolts is 350 MPa, and the ultimate bearing strength of plate (1) is 375 MPa. Determine the minimum bolt diameter required to support an applied load of P = 155 kN if a minimum factor of safety of 2.8 is required with respect to both bolt shear and plate bearing failure. Answer: dbolt min = (1) mm
- Two bolts are used to lap points two steel plates. Tensile force on the plate is 45kN. Determine the required diameter of the bolts if the failure shear stress of the bolts is 350 MPa. Use a factor of safety for shear equal to 2.0Situation 8: For the connection shown in the figure. Pu = 80 KN, x1 = 200, x2 = 100, y1 = 50, y2 = y3 = y4 = 100 y1 y2 y3 y4 O 80 MPa O 71 MPa O 74 MPa oooo O 86 MPa O 1. Which of the following nearly gives the shearing stress of the most stress bolt? Use 20 mm diameter bolt. x1 O O O x2A flanged bolt coupling consists of 6 - 12 mm - diameter bolts on a bolt circle of 320 mm in diameter. Compute the number of additional 10 mm - diameter bolts on a bolt circle 200 mm in diameter to increase the torque capacity to 7.65 kNm. The shearing stress of the bolts should not exceed 60 MPa. Select one: O a. 6 bolts O b. 4 bolts O c. 3 bolts O d. 2 bolts NEXT PAGE
- A bolted connection shown is bolted with a A-325 bolts with an allowable shearing stress of 207 MPa. A-36 steel is used. The applied force "T" is equally divided among the bolts. Assume bolt hole diameter to be 3 mm bigger than bolt diameter. Diameter of bolt is 20 mm. T/2 T T/2 10 mr 10 mm T/2 300 mm T/2 Determine the capacity of the connection if shearing governs in kN. A 1548.58 B 1170.56 1290.62 D 1439.25 000Topic:Bolted Steel Connection - Civil Engineering *Use latest NSCP/NSCP 2015 formula to solve this problem *Please use hand written to solve this problem The bracket shown in the figure is supported by four 22 mm diameter bolts in single shear. The bracket is subject to an eccentric load of 150 kN. Use LRFD. Use A36 steel. Questions a) Determine the critical force on the most stressed bolt. b) Determine the nominal shear stress of the most stressed bolt.A flanged bolt coupling consists of six 1/2-in. steel bolts evenly spaced around a bolt circle 12 in. in diameter, and four 3/4-in. aluminum bolts on a concentric bolt circle 8 in. in diameter. What torque can be applied without exceeding 9000 psi in the steel or 6000 psi in the aluminum? Assume Gst = 12 x 10^6 psi and Gal = 4 x 10^6 psi.