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

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Project Management Techniques

The guideways or the roadways that are undertaken to perform a project efficiently and all the tools required to accomplish the task are the general outlines for project management techniques.