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For a bolted assembly, the stiffness of each bolt is ks = 700 MN/m and the stiffness of the members is k = 2100 MN/m per bolt. The joint is subject to occasional disassembly for maintenance and should be preloaded accordingly. An external load is applied to the entire joint with P = 360 kN. Assume the load is equally distributed to all the bolts. It has been determined to use M12x1.75 grade 8.8 bolts with rolled threads. (a) Determine the minimum number of bolts necessary to avoid yielding of the bolts. (b) Determine the minimum number of bolts necessary to avoid joint separation.

For a bolted assembly, the stiffness of each bolt is ks = 700 MN/m and the stiffness of the members is k = 2100 MN/m per bolt. The joint is subject to occasional disassembly for maintenance and should be preloaded accordingly. An external load is applied to the entire joint with P = 360 kN. Assume the load is equally distributed to all the bolts. It has been determined to use M12x1.75 grade 8.8 bolts with rolled threads. (a) Determine the minimum number of bolts necessary to avoid yielding of the bolts. (b) Determine the minimum number of bolts necessary to avoid joint separation.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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For a bolted assembly, the stiffness of each bolt is ka = 700 MN/m and the stiffness of the members is km = 2100 MN/m per bolt. The joint is subject to occasional disassembly for maintenance and should be preloaded accordingly. An external load is applied to the entire joint with P = 360 kN. Assume the load is equally distributed to all the bolts. It has been determined to use M12x1.75 grade 8.8 bolts with rolled threads. (a) Determine the minimum number of bolts necessary to avoid yielding of the bolts. (b) Determine the minimum number of bolts necessary to avoid joint separation.
Transcribed Image Text:For a bolted assembly, the stiffness of each bolt is ka = 700 MN/m and the stiffness of the members is km = 2100 MN/m per bolt. The joint is subject to occasional disassembly for maintenance and should be preloaded accordingly. An external load is applied to the entire joint with P = 360 kN. Assume the load is equally distributed to all the bolts. It has been determined to use M12x1.75 grade 8.8 bolts with rolled threads. (a) Determine the minimum number of bolts necessary to avoid yielding of the bolts. (b) Determine the minimum number of bolts necessary to avoid joint separation.
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