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Old 05-07-2014, 11:14 AM
 
Location: Gulf Coast Texas
26,246 posts, read 14,124,700 times
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The last 15 seconds... holy crap...

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Old 05-07-2014, 11:37 AM
 
Location: Philadelphia
11,831 posts, read 9,847,309 times
Reputation: 7983
Yeah I saw this video-CRAZY!
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Old 05-07-2014, 07:57 PM
 
265 posts, read 326,495 times
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...

that would suck if you got sucked in. those holes can be like 50 feet deep, and if you survive the fall you are in like sewage and half buried alive. yikes.
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Old 05-08-2014, 02:45 PM
 
4,949 posts, read 4,655,579 times
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That wasn't a sinkhole like the ones in Florida. There was a retaining wall supporting the earth and roadway next to a below-grade railroad track, and it collapsed. The city and railroad are currently trying to figure out who is responsible for damages and repairs. Of course, both municipal government and railroad ignored years of complaint and warning from the residents of that block.
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Old 05-10-2014, 09:26 AM
 
Location: Coos Bay, Oregon
7,142 posts, read 8,446,965 times
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Not a sinkhole. They are calling it a landslide, but it's not even that. It was a retaining wall that collapsed. Thats a big difference. It's an infrastructure failure, not an act of nature.

Cleanup Begins After Retaining Wall Collapse Swallows Several Cars On 26th Street

Last edited by KaaBoom; 05-10-2014 at 09:35 AM..
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Old 05-10-2014, 06:02 PM
MJ7
 
6,221 posts, read 8,207,918 times
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Quote:
Originally Posted by KaaBoom View Post
Not a sinkhole. They are calling it a landslide, but it's not even that. It was a retaining wall that collapsed. Thats a big difference. It's an infrastructure failure, not an act of nature.

Cleanup Begins After Retaining Wall Collapse Swallows Several Cars On 26th Street
It's an act of nature due to anthropogenic alteration of the Earth around the area that subsided. The majority of sinkholes are man-made, usually the result of utility engineering and changes in soil tortuosity.
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Old 05-10-2014, 08:04 PM
 
4,949 posts, read 4,655,579 times
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Quote:
Originally Posted by MJ7 View Post
The majority of sinkholes are man-made, usually the result of utility engineering and changes in soil tortuosity.

Really? More of those than of the natural erosion of limestone below the soil type? That's surprising to me. Could it be that there are more of the man-made variety, but that they tend to be of a less catastrophic nature than the natural ones?
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Old 05-11-2014, 04:38 PM
 
31,385 posts, read 31,082,292 times
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Well that will teach them to pay attention to alternate sides of the street parking! Yikes.
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Old 05-11-2014, 11:27 PM
 
Location: NY
774 posts, read 702,399 times
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Quote:
Originally Posted by MJ7 View Post
It's an act of nature due to anthropogenic alteration of the Earth around the area that subsided. The majority of sinkholes are man-made, usually the result of utility engineering and changes in soil tortuosity.
Usually the result of too much construction work?
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Old 05-12-2014, 09:35 AM
 
Location: Henderson, NV
1,091 posts, read 1,175,567 times
Reputation: 1760
Quote:
Originally Posted by Simtropico View Post
Usually the result of too much construction work?
Man made ones are most often caused by a water main, or sewage line break, although they do commonly occur when poor construction methods are used.

I am curious though where he got his information that most are man made? Certainly not the case in Florida and Minnesota, where they are caused by subterranean erosion of limestone.

I recall hearing once that there's a single county in MN with over 10,000 sinkholes in it.
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