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Subject: 
Re: Building speculation (was: My Prayer on this National Day of Prayer)
Newsgroups: 
lugnet.off-topic.debate
Date: 
Thu, 20 Sep 2001 02:28:47 GMT
Viewed: 
772 times
  
In lugnet.general, Chris Leach writes:
In lugnet.general, Ross Crawford writes:

Someone on a local Australian show last night brought up the notion that US
buildings (including WTC) using more steel[1] may have been a factor in the
collapse. I figure things got pretty hot there for a little while, so • concrete
would've been in pretty bad shape anyway, but it may have provided a little
more resistance to the planes, possibly reducing the number of structural
elements directly damaged by the impact.
ROSCO more concrete would have not made a difference.The building withstood
the impacts.The fuel melted both the steel and concrete at the point of
impact which caused the floors weight above them  to collapse the rest of
the structure.

The suggestion was not that the concrete would've survived the fire, but less
of the building would've been directly involved in the fire, and maybe that
little bit extra surviving support may have stopped the catastrophic collapse.

Mafia? Come on ROSCO.......

Not my suggestion. I, too am skeptical about that, however I'd be interested to
know whether or not he was correct about American skyscrapers using more
structural steel than in Australia, and if so, why? Note also that they were
built in 1966, factors affecting building techniques may have been different
than they are now.

ROSCO

(trimmed .general)



Message has 1 Reply:
  Re: Building speculation (was: My Prayer on this National Day of Prayer)
 
(...) I'd say they're all wet. A building of that form factor and height HAD to be at least as much steel as it was. Increasing the concrete ratio would mean the building would not be able to hold up its own weight. This general theory has been (...) (23 years ago, 20-Sep-01, to lugnet.off-topic.debate)

Message is in Reply To:
  Re: My Prayer on this National Day of Prayer
 
(...) ROSCO more concrete would have not made a difference.The building withstood the impacts.The fuel melted both the steel and concrete at the point of impact which caused the floors weight above them to collapse the rest of the structure. Mafia? (...) (23 years ago, 20-Sep-01, to lugnet.general, lugnet.off-topic.debate)

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