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Bay Area folks

S

Suspicious-Teach8788

Lifer
So the old bridge had a brittle to ductile temperature of 77 degrees F meaning that most of the time it is in ductile state... meaning the bridge is like glass.... Thank goodness they opened the new suspension part in 2003 right? Heh...
 
Did I say it shattered? Study some materials and metals and you will learn about ductile to brittle transformations. That played the main role in the sinking of the Titanic. Yes people will tell you they had poor steels back in the day which was why LSTs also tore apart in WW2, but the reason they tore apart was because low quality steel has a high ductile-brittle temperature which screws you over.
 
Originally posted by: DLeRium
Did I say it shattered? Study some materials and metals and you will learn about ductile to brittle transformations. That played the main role in the sinking of the Titanic. Yes people will tell you they had poor steels back in the day which was why LSTs also tore apart in WW2, but the reason they tore apart was because low quality steel has a high ductile-brittle temperature which screws you over.
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Yes, you obviously know more about the metal that the bridge is made out of than the guys who designed and built it did. It's obvious they had no idea what they were doing, as the bridge has only been there for 80 years without falling over.
 
busting out the e45, eh? For a bridge that size, it'd take a pretty huge impact to shatter it. Maybe if it hit an iceberg...
 
Originally posted by: ed21x
busting out the e45, eh? For a bridge that size, it'd take a pretty huge impact to shatter it. Maybe if it hit an iceberg...
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Maybe they mentioned it in E45, but we went over it again in MSE C113 a few days ago =P. Pretty interesting because I just crossed the bridge a few weeks ago, and it makes me wonder... because I'll cross it again next week. Still it's gotta be scary because in an earthquake it will just fall apart.
 
I remember crossing this bridge many years ago when they had automated coin collectors on a few lanes. It was under a buck at the time and my CPA friend would throw in a nickle and we would proceed past the toll booth without any penalty, bells or drawing attention to ourselves.
 
Originally posted by: DLeRium
Originally posted by: ed21x
busting out the e45, eh? For a bridge that size, it'd take a pretty huge impact to shatter it. Maybe if it hit an iceberg...
Click to expand...

Maybe they mentioned it in E45, but we went over it again in MSE C113 a few days ago =P. Pretty interesting because I just crossed the bridge a few weeks ago, and it makes me wonder... because I'll cross it again next week. Still it's gotta be scary because in an earthquake it will just fall apart.
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like the loma prieta quake in 1989? 7.1 magnitude....oh wait...the bridge is still there!
 
Originally posted by: Toasthead
like the loma prieta quake in 1989? 7.1 magnitude....oh wait...the bride is still there!
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but the loma prieta earthquake was on/near the san andreas fault, centered in the south bay. a major earthquake on the hayward fault (the red line running through berkeley, fairly close to carquinez) could be devastating.

(lotta bay area folks in this thread!)
 
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