In Problem, let it be assumed that the threads stop immediately above the nut.
(a) In Fig. 5-8 let the part undergo a permanent shortening in length equal to ϵ after the boll has been tightened to an initial force of Fo. Derive an equation for the new value Fo for the initial force in the bolt.
(b) Find the value of Fp for the bolt of Problem 1 (b) if the part for some reason should shorten 0.0003 in. Bolt and part are 5.0 in. long.
Problem 1
If the initial force in the bolt is 8000 lb, plot the stress values for the bolt on the working-stress triangle.
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