The Column Failure, or Wet Noodle, Theory
Heat from fires causes columns to lose most of their strength
precipitating a progressive collapse.
- Endorsed in a paper
Why Did the World Trade Center Collapse?-Simple Analysis
by Bazant and Zhou.
Uses elastic dynamic analysis
"The structural resistance is found to be an order of magnitude
less than necessary for survival."
- Endorsed by Silverstein insurance claim investigation.