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Message - Re: Safe building structures

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Posted by  Bob A on July 31, 2003 at 13:05:49:

In Reply to:  Re: Safe building structures posted by Jim on July 31, 2003 at 12:04:18:

3 comments from an mechanical engineering perspective, 1st, water expands ~4% in volume when heated from ~20_C to 99_C, Where would you put this expansion volume?, 2nd water freezes from the top down, and expands at the same time, if you add antifreeze the co-efficient of expansion increases from the 4% to ~15% with a 80:20 mix of water to antifreeze, so back to the first comment where would you put the expansion volume? 3rd and most expensive comment is "a column (ie pipe) > 6" in diameter is considered a pressure vessel and ASME codes apply. It would be easier to build fire prevention, suppression, and detection systems than trying to move the energy of a fire through structural members of a building.

just my 2 cents

 
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