[TheForge] thermal expansion in extremely heat

[Larry Ruebush]

Terry
I74 between Monmouth and Galesburg has been "buckling" also
Larry Ruebush
west central IL
----- Original Message ----- 
From: "terry l. ridder" <terrylr at blauedonau.com>
To: "theforge e-mail list" <theforge at mailman.qth.net>
Sent: Thursday, June 25, 2009 1:29 AM
Subject: [TheForge] thermal expansion in extremely heat


> hello;
> 
> with the current heat wave in northern illinois i was impressed by a
> news story about illinois route 59 buckling from the heat. the video was
> impressive to see a three ft piece of rather thick concrete shattered by
> the thermal expansion of the roadway.
> 
> i have never taking thermal expansion into account in any outside
> metalwork and now i am wonder if i should have. i was assuming that the
> entire piece would expand more or less equally across the whole piece.
> 
> then it occurred to me that metalwork outside in the summer presents an
> object that could burn the unsuspecting person. i mean i know better
> than to crap a piece of metal that has been baking out in the sun for
> most of the afternoon. given the stupidity of many of citizens of
> chicago and the state of illinois evidence by their continuing to vote
> in corrupt politicians, these people would be the ones to get burned.
> 
> do outside metal sculptures have warning on them warning of the
> potential to be burned?
> 
> -- 
> terry l. ridder ><>
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