Abolhassan Astaneh-Asl

Aus 9/11 Wiki

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"There are parallels between the failure of the MacArthur Maze ramps and the collapse of the World Trade Center towers," he
said. "Both incidents were caused by a massive fire, fed by a large amount of fuel, weakening the steel structure." (#1)

"If you remember the Salvador Dalí paintings with the clocks that are kind of melted -- it's kind of like that. That could only
happen if you get steel yellow hot or white hot -- perhaps around 2,000 degrees." (#2)

ABOLHASSAN ASTANEH: Here, it most likely reached about 1,000 to 1,500 degrees. And that is enough to collapse them, so they
collapsed. So the word "melting" should not be used for girders, because there was no melting of girders. I saw melting of
girders in World Trade Center.(#3)

...The witnesses to molten metal also included University of California, Berkeley engineering professor Abolhassan Astaneh-Asl, 
who was the first scientist given access to the steel at ground zero. Dr. Astaneh-Asl referred to the WTC steel he found as
"kind of melted."11 Years later, when asked again about his experience he clarified, "I saw melting of girders in World Trade 
Center."12...(#4)

Quellen & weiterführende Links

Quellen:

1. http://www.universityofcalifornia.edu/news/article/9150
2. http://chronicle.com/article/Scholars-Work-to-Rebuild-the/4059
3. http://www.pbs.org/newshour/bb/science/jan-june07/overpass_05-10.html
4. http://www.911review.com/articles/ryan/NIST_WTC7.html#11

Interviews zum Thema: Zusammenbruch des World Trade Center

1. http://www.pbs.org/newshour/bb/military/july-dec01/structure_9-11.html
2. http://www.npr.org/templates/story/story.php?storyId=1131460