triforcharity
Banned
- Joined
- Jun 23, 2009
- Messages
- 13,961
The concrete in the towers wasn't on its own. So what's your point?
Saying the concrete wasn't structural is wrong. Face it.
You need to read this, http://wtc.nist.gov/pubs/NISTNCSTAR1-1.pdf especially page 69 PDF. Tell me what it says to you.
I'll wait.....