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Notes re LERA

Posted 29 Apr 2012 at 03:57 AM by clive

From Physorg Forum
Leslie E. Robertson Unregistered
Posted: Apr 1 2006, 06:33 PM

Christophera is correct in stating that the Twin Towers were constructed
with a concrete core. Although in my original design the core was to be a
steel framed one that decision was overridden by Minoru Yamasaki the

That core should have resisted the airplane impacts AND the fires.
I have said nothing for four and a half years but can remain silent no
longer. My belief is that only explosives could have caused WTC 1
& WTC 2 to collapse the way they did on September 11, 2001.

Leslie E. Robertson
Director Leslie E. Robertson Associates, R.L.L.P. and lead engineer of the World Trade Center
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