To: topher
They came loose because they were elongating beyond elastic limits or even breaking under tension.
15 posted on
03/27/2013 10:00:12 AM PDT by
SWAMPSNIPER
(The Second Amendment, a Matter of Fact, Not a Matter of Opinion)
To: SWAMPSNIPER
Would that be because of defective material (hydrogen in the steel) or poor engineering (underestimating the stress)?
This is not even the stress of an earthquake causing these problems, and as someone mentioned, the bridge is supposed to withstand an 8.5 magnitude quake...
18 posted on
03/27/2013 10:03:11 AM PDT by
topher
(Traditional values -- especially family values -- which have been proven over time.)
To: SWAMPSNIPER
They came loose because they were elongating beyond elastic limits or even breaking under tension.Or thermal expansion. The longer a bolt is, the more it grows and shrinks in response to heating and cooling, and these were 17'.
23 posted on
03/27/2013 10:20:00 AM PDT by
tacticalogic
("Oh, bother!" said Pooh, as he chambered his last round.)
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