Design documents state that a total of six M10 x 1.5, class 5.8 bolt and nut...

Design documents state that a total of six M10 x 1.5, class 5.8 bolt and nut pairs fasten a 15 mm thick steel cap to a 15 mm thick steel flange. Safety requirements dictate that this fastening system must possess a safety factor of 1.5. Use the preload determined in Part A when calculating the bolted joints safety in dynamic loading in Part B. (Note: One may find km using the method outlined in class, or one may use Eqn. 15.19 on p. 929). a) If the steel cap experiences a static external load of 30 kN, is this design safe? b) If the steel cap experiences an external load that varies from 10-20 kN and the bolted joint must be 99% reliable, is this design safe?

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samet mamat answered 2 years ago

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