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Catenary lighting canopy -- Working out reactions at columns
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[QUOTE="SteamKing, post: 5467925, member: 301881"] From the standpoint of static equilibrium, the four corner posts must support the weight of all the wires and the lights attached. Depending on the amount of sag in the wires connecting the columns, there will be additional horizontal loads imposed on the free ends of these members, which will tend to draw them together. A wire supported at both ends and carrying a uniformly distributed weight along its length has a shape which is called a [I]catenary[/I]. One can analyze the statics of such structures as described in this article: [URL]https://en.wikipedia.org/wiki/Catenary[/URL] When the loads are no longer uniformly applied, the analysis becomes more complex, and the shape changes from a catenary to something more parabolic. Beyond this, analysis would require that you look at specific cases, where you know the properties of the wire, the arrangement and properties of the lights, etc. [/QUOTE]
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Catenary lighting canopy -- Working out reactions at columns
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