Hi Joe and All,
I really don´t want to believe this. That´s part of the problem. But the buildings fell unusually fast, from film and stopwatch just about at freefall speeds. I would have thought if most of the structural steel was okay, except for the areas where the fires were, wouldn´t they have slowed the descent?
From: Joe Street [mailto:[EMAIL PROTECTED]
To: biofuel@sustainablelists.org
Sent: Wed, 20 Sep 2006 10:08:53 -0300
Subject: Re: [Biofuel] WHAT REALLY HAPPENED ON SEPT 11
That's a very good point Kirk. I wonder how do the civil engineers deal with that bit?
Andrew?
Joe
Kirk McLoren wrote:
snipTo fall straight down means the failures supposedly caused by heat all happened at the same time. In the real world they lean to the failed side and then forces cause more failures. It is a very tricky business making them fall straight down.
.
I studied Civil Engineering with a major in Structures and Analysis not
Medicine with a major in Psychiatry so I'll leave the reader to make
their own judgements on the rest of this.
Regards,
Andrew Lowe B.Eng(Civil)
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