For a bolted assembly, the stiffness of each bolt is kp = 4 Mlbf/in and the stiffness of the members is km = 12 Mlbf/in per bolt. The joint s subject to occasional disassembly for maintenance and should be preloaded accordingly. A fluctuating external load is applied to the entire joint with Wmax = 80 kips and Wmin = 20 kips. Assume the load is equally distributed to all the bolts. 7 2 in-13 UNC grade 8 polts with rolled threads are used to join the assembly. Determine the fatigue factor of safety using the Goodman criterion. Number of Bolts, N Bolt Grade, G Bolt Diameter, d 17 SAE 8 1/2 in. The fatigue factor of safety using the Goodman criterion is

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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For a bolted assembly, the stiffness of each bolt is kp = 4 Mlbf/in and the stiffness of the members is km = 12 Mlbf/in per bolt. The joint
is subject to occasional disassembly for maintenance and should be preloaded accordingly. A fluctuating external load is applied to
the entire joint with Wmax = 80 kips and Wmin = 20 kips. Assume the load is equally distributed to all the bolts. 7 2 in-13 UNC grade 8
bolts with rolled threads are used to join the assembly. Determine the fatigue factor of safety using the Goodman criterion.
Number of Bolts, N
Bolt Grade, G
Bolt Diameter, d
17
SAE 8
1/2 in.
The fatigue factor of safety using the Goodman criterion is
Transcribed Image Text:For a bolted assembly, the stiffness of each bolt is kp = 4 Mlbf/in and the stiffness of the members is km = 12 Mlbf/in per bolt. The joint is subject to occasional disassembly for maintenance and should be preloaded accordingly. A fluctuating external load is applied to the entire joint with Wmax = 80 kips and Wmin = 20 kips. Assume the load is equally distributed to all the bolts. 7 2 in-13 UNC grade 8 bolts with rolled threads are used to join the assembly. Determine the fatigue factor of safety using the Goodman criterion. Number of Bolts, N Bolt Grade, G Bolt Diameter, d 17 SAE 8 1/2 in. The fatigue factor of safety using the Goodman criterion is
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