Posted by ngon nguyen on January 05, 2002 at 15:23:56:In Reply to: Re: WTC progressive collapse- A Revisit posted by Paul Malo on January 04, 2002 at 08:43:57:
Hi Paul,
The present design of the pent house on top of the elevator shaft will not serve this purpose because it is designed to withstand the wind pressure. What I am thinking is a panel with frangible joints which we are often used in blast design. The only difference is that these joints will give away at certain temperature in stead of at certain presure.
Ngon
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