You are viewing an obsolete version of the DU website which is no longer supported by the Administrators. Visit The New DU.
Democratic Underground Latest Greatest Lobby Journals Search Options Help Login
Google

Reply #87: Sure.....this MIT proffessor believed there was a concrete core. [View All]

Printer-friendly format Printer-friendly format
Printer-friendly format Email this thread to a friend
Printer-friendly format Bookmark this thread
This topic is archived.
Home » Discuss » Topic Forums » September 11 Donate to DU
seatnineb Donating Member (1000+ posts) Send PM | Profile | Ignore Fri Feb-10-06 03:44 PM
Response to Reply #76
87. Sure.....this MIT proffessor believed there was a concrete core.
Ahmed F. Ghoniem
Professor of Mechanical Engineering
Massachusetts Institute of Technology

The exterior of each tower was made of a dense lattice of prefabricated steel columns, while the 24m 42m interior core consisted of 48 steel columns fireproofed in concrete.
<snip>

Thus, the initial area of damage is estimated to be about 2000 m2, or about half of the floor space of the building between the external lattice and the concrete core, and fuel spillage must have occurred over a fraction of this area.


http://web.mit.edu/civenv/wtc/PDFfiles/Chapter%20V%20Fi ...
Printer Friendly | Permalink |  | Top
 

Home » Discuss » Topic Forums » September 11 Donate to DU

Powered by DCForum+ Version 1.1 Copyright 1997-2002 DCScripts.com
Software has been extensively modified by the DU administrators


Important Notices: By participating on this discussion board, visitors agree to abide by the rules outlined on our Rules page. Messages posted on the Democratic Underground Discussion Forums are the opinions of the individuals who post them, and do not necessarily represent the opinions of Democratic Underground, LLC.

Home  |  Discussion Forums  |  Journals |  Store  |  Donate

About DU  |  Contact Us  |  Privacy Policy

Got a message for Democratic Underground? Click here to send us a message.

© 2001 - 2011 Democratic Underground, LLC