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Liquefaction due to Earthquakes

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Brandy Alger shows how liquefaction occurs due to earthquakes, using a shaketable in the geomechanics laboratory at the University of Canterbury in Christchurch.
Liquefaction was a huge problem during the Canterbury earthquake sequence of 2010 to 2011, with thousands of homes rendered uninhabitable as a result. Where once there were houses is now a large expanse of grass, trees and abandoned streets in the Red Zone of Christchurch
Te Hiranga Rū QuakeCoRE ( www.quakecore.nz/ ) is a collaboration of earthquake researchers that together constitute the New Zealand Centre for Earthquake Resilience.
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Опубликовано:

13 апр 2023

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Комментарии : 16

@retropipes8863 Год назад

Cool demo, Brandy! Liquefaction is an amazing and dangerous phenomenon.

@michaeloconnor7786 Год назад

Great little video Brandy. Lived in Christchurch back when the earthquakes hit.

@OutThereLearning Год назад

Thanks!

@CaiGwatkin Год назад

I may not have been grateful enough to have lived in an area that was not redzoned after the quakes, that does seem so bizarre. Thanks for the demonstration of liquefaction, quite easy to understand :)

@sixthsenseamelia4695 Год назад

🌱🌏💚 Hopefully this time lessons are learned from the past. 2011 - 2011 isnt the first time large eqs have occurred in the Christchurch/Canterbury region. Japan builds on reclaimed land prone to liquefaction, their modern buildings withstand comparatively similar size & depth eqs. Houses/buildings with solid concrete floor slabs are a dumb idea in any earthquake prone region in NZ.

@jacobcreech4382 Год назад

Cool to see Dick’s name pop up on some of these images. He was a cousin of mine, and a very interesting person to talk with. RIP.

@susanl7514 Год назад

Isn't it possible for some soils to behave as if "liquefaction" had occurred, but without the presence of water? Their molecular structure collapses? I heard this decades ago. Cheers.

@LENZ5369 Год назад

Either my memory is really bad or the eng buildings got a pretty serious reno in the last few years.

@OutThereLearning Год назад

Your memory is doing fine! 🙂

@theunknownunknowns5168 Год назад

My childhood community looks exactly like that too, but it wasn't a earthquake it was the Rogernomics neoliberalism, more devastating than a earthquake. But liquefaction, is it the same term used when you leave your car motor running on the beach and it sinks into the wet sand?