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-   -   September 29, 2011 Washington Monument Engineers (http://cellar.org/showthread.php?t=25986)

BigV 03-12-2013 12:49 PM

Scamp!

Adak 03-12-2013 10:46 PM

Quote:

Originally Posted by ZenGum (Post 856544)
I notice there seems to be a concentration of damage at around 200 feet high. I wonder why.

The waves of energy from an earthquake create a "whiplash" effect in buildings, with damage being much more concentrated where the "whip" energy of the earthquake, reverses itself - "cracking".

ZenGum 03-13-2013 07:04 AM

That was the sort of thing I was thinking, maybe involving some kind of harmonics in the building and the frequency of the earthquake waves.

BigV 03-13-2013 03:07 PM

Quote:

Originally Posted by Adak (Post 856754)
The waves of energy from an earthquake create a "whiplash" effect in buildings, with damage being much more concentrated where the "whip" energy of the earthquake, reverses itself - "cracking".

welcome back Adak.

SPUCK 03-14-2013 07:18 AM

Quote:

Originally Posted by Happy Monkey (Post 856630)
I like to tell visitors to DC that that's the high-water mark from the flood.

Monterey Bay: When I was a kid I worked at the Boardwalk on the beach. Tourists from all over the world would show up and often would point across the bay at Big Sur which sort of rises up abruptly from the end of the Monterey peninsula and ask, "what's that?"

I'd always tell them "Hawaii". Many believed me.

Adak 03-18-2013 03:52 AM

Quote:

Originally Posted by BigV (Post 856822)
welcome back Adak.

Thanks, BigV! :D


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