12358dc4603d
tech



Hello Joe - 

>>> He doesn't have to bring a lunch and wait to melt the
>>> steel. Just heat it to the point where it loses much of its
>>> strength and begins to sag. Then all the weight above it
>>> begins to tumble down. 

>> Heat steel girders over an open flame for the rest of your
>> life and it won't melt. A paper clip, maybe. 

JN> I didn't say, nor has anyone else ever said, that the steel
JN> melted. 

Au contrare' - several people did use the word 'melt'. 

JN> It warped, it twisted, it sagged, and it lost its textile
JN> strength. And it was not able to support the weight above
JN> after it reached that point. 

As I said in another reply - if the center supporting section
was being used as an air-exchanger with roof fans etc. it would
create a sort of blow-torch effect feeding oxygen to the
burning fuel. If so, it would reach much higher temperatures
than an open flame. 

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