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Re: Repair of Aluminum Trusses

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On Mar 17, 2005, at 11:52 AM, Paul Feather wrote:

At the AISC convention a few years ago there was an excellent presentation on heat straightening of damaged steel bridges.

Don't ever do this with aluminum. Ever. Don't even think about it.

Structural aluminum is always tempered either by work hardening or by thermal aging and flame straightening will reduce the strength by at least half.
Christopher Wright P.E. |"They couldn't hit an elephant at
chrisw(--nospam--at)   | this distance" (last words of Gen.
.......................................| John Sedgwick, Spotsylvania 1864)

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