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Engineering
Mechanical Engineering
Moment of inertia question for two plates welded together
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[QUOTE="Jackolantern, post: 6861454, member: 701784"] [B]TL;DR Summary:[/B] two plates welded together, will the moment of inertia be as though it were one plate? If two plates of Aluminum (both are 2" tall, and 1/2" thick) were placed over each other (see photo 1) and then welded together all around the perimeter of the second plate (the blue one) as indicated by the yellow lines in photo 2, then would the moment of inertia be calculated as if the local section (only where they are connected) was 2" by 1"? And would the same apply if the second plate was bolted to the first plate using many bolts? second moment of area/moment of inertia = "I" in the bending stress formula sigma = My/I [/QUOTE]
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Moment of inertia question for two plates welded together
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