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Mechanical Engineering
To what degree does a hole in a tube make it weaker?
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[QUOTE="Afiaki, post: 6032425, member: 648915"] How much is a circular pipe with holes in its walls weaker than a pipe without holes, specifically when subject to bending and torsional forces? Say I have a hardened steel pipe of some diameter, length and width, and a hole (of max 1/5 the pipe diameter) is drilled horizontally, through both pipe walls, in the centre of the pipe. The pipe would be subject to a reasonable degree of torsional force, a small degree of horizontal bending force, but a high degree of vertical bending force. In this scenario, force is always applied along the whole length of the pipe and fractures in the metal are unacceptable. As per the question title, to what degree would this hole make the pipe weaker? Would it always severely weaken the pipe structure because there is a weak point along its length, or would it weaken it to a lesser degree; in relation to the hole size? And additionally, in either case, if one hole made the pipe X amount weaker, would many more holes along the length (1 diameter apart and on the same axis) compromise the pipe structure any more? Many thanks in advance! [/QUOTE]
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To what degree does a hole in a tube make it weaker?
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