kle joint, that shown in the figure below, is used to transmit ring the various failure cases of the join parts to determine the m f the mechanical properties of the material that you suggest to be . (Assuming: the load is applied statically). 39 mm C1 39 mm C3 78 mm 49 mm C1 C5 30 mm C4 P4
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- Figure 8-19 is a cross-section of ASTM A36. A total of N bolts are to be used to resist a separating force of 7258.97N is one bolt. A) Determine kb,km, and C B) Determine the realized load factor for overload, the yielding factor of safety, and the load factor of joint separation.Two 1/4 in × 8 in A36 steel plates are joined with a lap joint using 3/4 in A325-N bolts. If a concentric unfactored live load of 50 kips (dead load = 0) is required to be resisted by the connection and the bolt shear strength controls the design, the minimum required number of bolts is?For a bolted assembly with six bolts, the stiffness of each bolt is kb = 2.8 Mlbf/in and the stiffness of the members is km= 14 Mlbf/in per bolt. An external load of 80 kips is applied to the entire joint. Assume the load is equally distributed to all the bolts. It has been determined to use 1/2 in-13 UNC grade 8 bolts with rolled threads. Assume the bolts are preloaded to 75 percent of the proof load. Determine the yielding factor of safety. The yielding factor of safety is
- Design of a bolted assembly using a single M16x2 class 8.8 coarse-thread bolt has resulted in a joint where bolt stiffness is k, = 6 N/mm and the overall member stiffness - 18 N/mm. The fastener is to be reused (nonpermanent). Question 1 Value of joint stiffness constant: 0.25 4.0 0.5 0.1 Question 2 Magnitude of bolt tightening load (preload) Fi [kv]: 85 71 94 63The figure below shows two plates connected by two rivets. The plates are made from aluminum 6061-T6 and the rivets are made from aluminum 2014-T4. Evaluate the maximum allowable force on the connection to meet the following design critoria the shoar stross in a rivot cannot excced 1/4 of the ultimate strongth in shoar. 75 mm 38 mm 38 mm 12 mm dia -9 mm The figure below shows two plates connected by two rivets. The plates are made from aluminum 6061-T6 and the rivets are made from aluminum 2014-T4. Evaluate the maximum allowable force on the connection to meet the following design criteria the tensile stress in the plates cannot exceed 1/3 of the yield strength. mm 75 mm 38 mm 38 mm 12 mm dia. The figure below shows two plates connectd by two rivets. The plates are made from aluminum 6061-T6 and the rivets are made from aluminum 2014-14. Evaluate the maximum allowable force on the connection to moet the following design criteria the bearing stress on either the plates or the rivets…(11) The figure shows a connection that employs three SAE grade 5 bolts. The tensile shear load on the joint is 5400 lbf. The members are cold-drawn bars of AISI 1020 steel. Find the factor of safety for each possible mode of failure. (Ans./ 3.26, 5.99, 3.71, 5.36) in- 글im 16 UNC in I in -24 in-
- NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. The dimensions for the parameters in the figure are given below. b= 42 mm d= 58 mm h= 4 mm Sut= 427 MPa What is the endurance limit of welded members? The endurance limit of the welded members, Se is 82.6 MPa.Pc=nxdxtxo =2x25x20x150 150000 N The strength of the riveted joint= Least of P, Ps , Pc =150 000 N %3D The lap join the edges of There are th %3D 000 050= 02I X 0Z X 001 ='91d=d 0000$ =D0.625 or 62.5 % %3D 0000 a-single tr Homework: 1-A single riveted lap joint is made in 1.5 cm thick plates with 2 cm diameter rivets Determine the strength of the joint, if the pitch of rivets is 6 cm? Take 6,=1200 kg/cm ; o,= 900 kg/cm² ; 6=1600 kg/cm 2-Two plates 16-mm thick are joined by á double riveted lap joint. The pitch of each row of rivets is 9 cm. The rivets are 2.5 cm in diameter. The permissible stresses are as aqnop -4 c-paraller [ans:2827kg] 2. G,=1400 kg/cm ; 6,=1100 kg/cm² ; 6.= 2400 kg/cm 2. Find the efficiency of the joint . 3-A double riveted double cover butt joint is made in 1.2 cm thich plates with 18 mm diameter rivets.find the efficiency of the joint for a pitch of 8 cm. 2. 2. ст Take :6,=1150 kg/cm ; 6, = 800 kg/cm² ; oc=1600 kg/cm 10 mm thick, the allowable stresses are : 6, =…H.W: Design a knuckle joint for a tie rod of a circular section to sustain a maximum pull of 70 kN. The ultimate strength of the material of the rod against tearing is 420 MPa. The ultimate tensile and shearing strength of the pin material are 510 MPa and 396 MPa respectively. Determine the tie rod section and pin section. Take factor of safety = 6.
- Use LRFD and design a 13-foot-long tension member and its connection for a service dead load of 8 kips and a service live load of 24 kips. No slip of the connection is permitted. The connection will be to a 3⁄8-inch-thick gusset plate, as shown in Figure . Use a single angle for the tension member. Use Group A bolts and A572 Grade 50 steel for both the tension member and the gusset plate.: THEORY OF STRUCTURES : STIFFNESS FACTOR METHOD PAGE 1 / 3 NAME 1 PROBLEM 20KN G. 40kN 7m 7m ---- DETERMINE THE JOINT MOMENTS .....Sketch a V-grooved butt joint, and label all of the joint's dimensions.