кто ж мне синьки даст. а оценить структуру можно: http://science.howstuffworks.com/skyscraper.htm
оценка повреждений тоже есть http://hawaii.indymedia.org/news/2003/07/3257.php
"The collapse of WTC 7 is of significant interest because it appears that the collapse was due primarily to fire, rather than any impact damage from the collapsing WTC 1 tower. There is no history or record of a fire induced collapse in a fire protected steel building prior to this event." и еще вот тут - не очень удобно читать, но все же. http://66.102.9.104/search?q=cache:DZyJ2ZQumSsJ:www.abmbrasil.com.br/cim/download/Vander_Voort.pps+wtc+damage+diagram&hl=en
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Date: 30 Sep 2004 02:44 (UTC)http://science.howstuffworks.com/skyscraper.htm
оценка повреждений тоже есть
http://hawaii.indymedia.org/news/2003/07/3257.php
"The collapse of WTC 7 is of significant interest because it appears that the collapse was due primarily to fire, rather than any impact damage from the collapsing WTC 1 tower. There is no history or record of a fire induced collapse in a fire protected steel building prior to this event."
и еще вот тут - не очень удобно читать, но все же.
http://66.102.9.104/search?q=cache:DZyJ2ZQumSsJ:www.abmbrasil.com.br/cim/download/Vander_Voort.pps+wtc+damage+diagram&hl=en