Rheology and what it means to you

"ClassicDatsunDebate" (gmagnusson) 06/04/2020 at 17:11 • Filed to: None

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davesaddiction @ opposite-lock.com > ClassicDatsunDebate 06/04/2020 at 17:22

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Whoa!

ClassicDatsunDebate > davesaddiction @ opposite-lock.com 06/04/2020 at 17:26

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I know right? It’s fascinating and horrifying at the same time.

TheRealBicycleBuck > ClassicDatsunDebate 06/04/2020 at 17:29

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It’s amazing how well a couple of the houses floated. I wonder if they used  styrofoam or spray insulation.

ClassicDatsunDebate > TheRealBicycleBuck 06/04/2020 at 17:32

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It’s Longboat craftsmanship.

wafflesnfalafel > ClassicDatsunDebate 06/04/2020 at 17:33

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interesting stuff - we had a bad one up here several years ago. The run out was WAY farther than anybody had anticipated.  

https://www.usgs.gov/news/revisiting-oso-landslide

davesaddiction @ opposite-lock.com > ClassicDatsunDebate 06/04/2020 at 17:34

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I don’t understand how the guy filming isn’t crying, watching his home being washed away...

davesaddiction @ opposite-lock.com > ClassicDatsunDebate 06/04/2020 at 17:35

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I wonder if that white house was able to be salvaged (or at least some things inside) after everything settled.

fintail > TheRealBicycleBuck 06/04/2020 at 17:40

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I was going to say, some of the overpriced stapled-together cardboard ‘n compressed oatmeal stuff I see around here likely would have fallen like a house of cards once the ground moved a foot.

ClassicDatsunDebate > davesaddiction @ opposite-lock.com 06/04/2020 at 17:49

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good question

ClassicDatsunDebate > wafflesnfalafel 06/04/2020 at 17:54

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That picture is very interesting. When you see the side of the hill that sheared off, you kinda think the debris wouldn’t go to far. If you think of it like dirt or gravel, the angle of repose is very steep. But it’s not simply dirt slumping down in most cases (hence the title). The slide acts like a fluid and flows much differently than sand down a dune. It’s interesting to me as a pump guy because we need to deal with slurrys, thixotropic and other non-Newtonian liquids and how they react to being pumped.  Even air is looked at as a compressible liquid when we talk about compression.

Roadkilled > wafflesnfalafel 06/04/2020 at 18:46

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The climate in much of Scandinavia is similar to the Pacific Northwest. You get a lot of showers, bur rarely any heavy and sustained rain. You can get a lot of dirt built up on slopes after decades of only light showers. If you get a week of heavy rain, the ground gets saturated and heavy, and it starts to slide. The wet earth turns to a slick mud that just slides over the firmer ground underneath.

Disclaimer: I am not a geologist, and my understanding of the situation could be poorly informed and incorrect.

Highlander-Datsuns are Forever > ClassicDatsunDebate 06/04/2020 at 18:55

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Bed rock saves lives.