liquefaction ppt
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![Page 1: Liquefaction PPT](https://reader033.vdocuments.us/reader033/viewer/2022061617/5695d2521a28ab9b0299f880/html5/thumbnails/1.jpg)
Introduction to
LiquefactionLiquefaction
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What is Liquefaction? Liquefaction-when the strength and
stiffness of a soil is reduced due to earthquake shaking
Liquefaction occurs in saturated soils
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Niigata 1964 and Kobe, Japan 1995
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Earthquake Video Liquefaction In Niigata Earthquake 1964 Liquefaction Demo Liquefaction Demo 2
Could we make a better video today?
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Outline Background Effect of liquefaction Types of failure Remedial Measures
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History Serious attention because of Japan, Alaska and Nigata
earthquake in 1964.
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Look Closer?
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Types of Failure
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Cyclic Mobility
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Overturning
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Sand Boiling
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Remedial Measures
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Wrap Up1. Why is liquefaction dangerous?
2. What do you need for liquefaction to occur?
A. dry soil and an earthquakeB. saturated soil and an earthquake
C. saturated soil
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Wrap Up1. Why is liquefaction dangerous?Liquefaction can cause buildings and infrastructure to collapse.2. What do you need for liquefaction to occur?
A. dry soil and an earthquakeB. saturated soil and an earthquake
C. saturated soil
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Questions?