Korean Job Discussion Forums

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Joel S. Hirschhorn, BS Metallurgical Engineering, MS Metallurgical Engineering, PhD Materials Engineering

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ontheway

this in the one i was talking about

[ontheway]

If you read what these very few people actually are asking for, it's a reinvestigation of the collapse of the twin towers. Buliding 7 is included, however I doubt that many would need a reinvestigation of that one. It's fairly conclusive that Building 7 fell as a result of fire. If they had two seperate petitions, I suspect few would sign on for both.

These people are not asserting absolutely that they believe explosives brought down the towers. (And only Dr. Quack talks about thermite anymore.) They just don't believe that fire caused the collapse, neither do I. They just want a new investigation, so do I. They want to look at all the possibilities, so do I.

An investigation that only considered explosives, or worse, only thermite, would be as useless as the one that only seriously considered fire, as causes of the collapse.

As I said before, I would like a reinvestigation as well. The orignial structural schematics were never analyzed to determine the actual, theoritical capacity of each of the towers to survive a collision with an airliner of the exact type and weight and speed that struck each tower. This was not done at the time of construction, as it was impossible, and should be the beginning point of a new investigation.

I suspect that such an analysis would show that the buildings were doomed to collapse following the impact ALONE. That the impact was of sufficent magnitude to cause the eventual collapse, delayed only by a matter of hours following impact. That is, this was a gradual cascading collapse following the impact.


Did you ever stand on a perfectly new aluminum soda can. It will support a normal adult if balanced and gently placed on the top (use a board for balance). Now, have someone quickly dent in the sides with their fingers. The can will collapse. That is, it will fall or flatten. That is what happened with the twin towers on a larger scale. The impact of the planes took out enough of the support collumns, exterior and interior to cause the towers to collapse. No fires were necessary, although they could have contributed to the rapidity of the cascading failure of the members, joints, trusses and columns that failed one by one, exploding massively under stress, until the building was no longer able to stand (when the straw finally broke the camel's back).


Further, to determine how many on the list have any qualifications, you should go through the list and look for "structural engineer" "civil engineer" or "metalurgical engineer" and count those, the rest, and especially "architects," can be discounted as unqualified to judge at all.

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I respect your opinion, as it is very similar to mine. I understand that signing the petition does not mean one thinks CDT is fact. It merely shows support for a new investigation which would include CDT among other possibilities. I posted the expert support to make a point, that you failed to address previously; some experts in the fields you mentioned, do see possibility in CDT and support such investigation. So it isn't all quack talk.


Where we diverge is the way we see the collapse physically.

you wrote.