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Orville Dam Spillway to Fail soon! (Read 195 times)

Papa Bear Senior Member Offline Posts: 476 Canada ... near the Motor City Gender:	Re: Orville Dam Spillway to Fail soon! Reply #15 - 02/15/17 at 05:31:13 Earthquake nearby http://earthquake.usgs.gov/earthquakes/eventpage/nc71105749#executive
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Ruttly Serious Thumper Offline Thumpers Rule Posts: 5108 Manteca , CA Gender:	Re: Orville Dam Spillway to Fail soon! Reply #16 - 02/15/17 at 05:58:57 Papabear , That's all they need now !!! But a 1.0 is a micro quake you couldn't even feel it , maybe if were standing on the epicenter. Water is heavy and that our 2nd largest lake.
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mpescatori

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Re: Orville Dam Spillway to Fail soon!
Reply #17 - 02/15/17 at 07:29:05

My own two cents.

The Hoover Dam is a proper concrete dam. You can see the spillways in action.

The Oroville dam looks a lot more like a hu-uge embankment.

(Someone please resize this behemoth... Tongue

)

It is not made of reincorced concrete, rather like cubic miles packed earth.
On the one hand, it is softer, so more flexible and more likely to resist an earthquake.
On the other hand, its weak spot is erosion - which is what is happening right now.

However, flooding by erosion is a lot slower and more progressive than the apocalyptic 30-ft surge of water you would have when a concrete dam fails and collapses.

http://archive.signalscv.com/archives/10939/ Tongue

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oldNslow

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Re: Orville Dam Spillway to Fail soon!
Reply #18 - 02/15/17 at 07:41:57

Quote:

However, flooding by erosion is a lot slower and more progressive than the apocalyptic 30-ft surge of water you would have when a concrete dam fails and collapses.

I think that's what they were worried about. That the erosion in the spillway would get deep enough to undermine the concrete wall, and it would fail from the bottom.

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Ruttly Serious Thumper Offline Thumpers Rule Posts: 5108 Manteca , CA Gender:	Re: Orville Dam Spillway to Fail soon! Reply #19 - 02/15/17 at 10:21:46 Evac zone was huge , I bet real estate values start to take a dive !
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justin_o_guy2 Serious Thumper Offline What happened? Posts: 55279 East Texas, 1/2 dallas/la.	Re: Orville Dam Spillway to Fail soon! Reply #20 - 02/15/17 at 20:05:40 If real estate values drop below the amount of the mortgage, they'll be underwater even if the dam holds.
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mpescatori Serious Thumper Offline Romanum Thumperium Cavalco, yeaaah !!! Posts: 3547 Rome, Italy Gender:	Re: Orville Dam Spillway to Fail soon! Reply #21 - 02/16/17 at 00:39:03 justin_o_guy2 wrote on 02/15/17 at 20:05:40: If real estate values drop below the amount of the mortgage, they'll be underwater even if the dam holds. It's called "negative equity" and many folks sufferd from it in the early 2k years...
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justin_o_guy2 Serious Thumper Offline What happened? Posts: 55279 East Texas, 1/2 dallas/la.	Re: Orville Dam Spillway to Fail soon! Reply #22 - 02/16/17 at 07:16:34 Yes, Pesci, the Official term is negative equity, but Underwater or Upside Down are common terms. Me, being me, thought underwater was fitting in this topic. We just traded cars. We financed some negative equity.. I'm expecting this car to last longer than the payments and never do that again.
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