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To: nickcarraway
Steel can’t melt!

Just what can fuel do to steel? Oakland Bridge Collapse ...

Video for petrol tanker tipped over in oakland bridge melts steel▶ 2:12

www.youtube.com/watch?v=hXb5M8qKrjw

Jul 20, 2007 - Uploaded by bryankelly

Apparently the fireball erupted precisely at the weak point of the skyway - the underside of the pier where all of the supporting steel girders are bare and unprotected by concrete or anything else, said Berkeley civil engineering professor Abolhassan Astaneh-Asl. The steel supports were baked at 1,000 degrees Fahrenheit (the fire reached 2,000 degrees), the point at which steel turns to rubber, causing the steel to buckle and the double-decker freeway to collapse completely.

225 posted on 10/20/2015 12:37:16 PM PDT by spokeshave (MDSM = Mentally Discombobulated Screaming Media)
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To: spokeshave

Don’t worry, I’m not a truther. Not sure about Trump.


229 posted on 10/20/2015 12:41:36 PM PDT by nickcarraway
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