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Re: conduit support truss

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In a message dated 12/14/04 1:14:29 PM, BCainse(--nospam--at) writes:
I've run into this type of things a couple of times in the Geothermal Industry.  The economy of the structure type depends on who will fabricate it so that is the first question I'd ask.  Second, in both cases, expansion was not talked about but initially but once they saw how easy they could run things across the space, they wanted to be able to handle more lines.  Plan for at least some level of expansion.

Speaking of expansion, keep in mind forces due to thermal expansion and contraction that may be transmitted to the supports, depending on their figidity and fixity.

Ralph Hueston Kratz
Structural Engineer

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