Question 15.2: Preloaded Fasteners in Static Loading Problem Determine a su...
Preloaded Fasteners in Static Loading
Problem Determine a suitable bolt size and preload for the joint shown in Figure 15-23 (repeated here). Find its safety factor against yielding and separation. Determine the optimum preload as a percentage of proof strength to maximize the safety factors.
Given The joint dimensions are D = 1 in and l = 2 in. The applied load P = 2000 lb.
Assumptions Both of the clamped parts are steel. The effects of the flanges on the joint stiffness will be ignored. A preload of 90% of the bolt’s proof strength will be applied as a first trial.
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