ok well... what this movie says is that the building was in fact designed to withstand being hit by a plane, and that jet fuel does not burn hot enough to achieve those results. See the movie for more detail. I am not going to argue its merits either pro or con.
On 8/22/06, Ian Skinner <[EMAIL PROTECTED]> wrote: > Well, only if the frame of the building held. Everything I've read and seen > claims that the Tower only had an external frame, there was no internal > frame, and the collapse occurred because the center of the building couldn't > withstand the forces above it because of the loss of the structural > integrity, which caused the building to collapse from the center, and the > force of the collapse of the center brought the steel frame down. > > I'm not a structural engineer but that makes sense to me. > > > According to a Discover Channel show, the tower had an internal and external > frame, they where a pair of concentric rings. > > XXXXXXXXXXX > X X > X XXX X > X X X X > X XXX X > X X > XXXXXXXXXXX > > As apposed to an older grid of supports. > > X X X X X X > X X > X X X X X X > X X > X X X X X X > X X > X X X X X X > > The inner support columns where tied to the outer support columns with cross > members that also formed the sub-strait of the floors. It is these that > failed. They did not fail from the collision, but from the subsequent jet > fuel fire. They had a spray on fire retardant, but nobody had considered the > case of them being hit by 10's of thousands pound grenades. The explosion > and shrapnel of the plane collisions blew off the fire retardant; decreasing > the time the cross supports could resist the fire. > > > -------------- > Ian Skinner > Web Programmer > BloodSource > www.BloodSource.org > Sacramento, CA > > --------- > | 1 | | > --------- Binary Soduko > | | | > --------- > > "C code. C code run. Run code run. Please!" > - Cynthia Dunning > > Confidentiality Notice: This message including any > attachments is for the sole use of the intended > recipient(s) and may contain confidential and privileged > information. Any unauthorized review, use, disclosure or > distribution is prohibited. If you are not the > intended recipient, please contact the sender and > delete any copies of this message. > > > > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Introducing the Fusion Authority Quarterly Update. 80 pages of hard-hitting, up-to-date ColdFusion information by your peers, delivered to your door four times a year. http://www.fusionauthority.com/quarterly Archive: http://www.houseoffusion.com/groups/CF-Community/message.cfm/messageid:213916 Subscription: http://www.houseoffusion.com/groups/CF-Community/subscribe.cfm Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=89.70.5
