United States Department of Transportation
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Development of Next Generation Liquefaction (NGL) Database for Liquefaction-induced Lateral Spread [Research Brief]
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2022-08-01
[PDF-449.91 KB]
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Corporate Contributors:United States. Department of Transportation. University Transportation Centers (UTC) Program ; United States. Department of Transportation. Office of the Assistant Secretary for Research and Technology ; Utah Department of Transportation ; Pacific Earthquake Engineering Research Center. PEER report ; Southwest Research Institute ; ... More +
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Abstract:Liquefaction-induced lateral spread is a type of permanent ground deformation from the horizontal movement of surface soil resulting from soil liquefaction and resulting loss of shear strength during earthquakes. It is generally the most pervasive and damaging type of liquefaction-induced ground failure occurring during major earthquakes, and it has caused hundreds of millions of dollars of damage to transportation infrastructure such as bridges, embankments, culverts, and pavements. There is a need to improve the analytical and numerical methods to estimate the amount of permanent ground displacement associated with liquefaction-induced lateral spread. These methods will be used to make transportation more resilient to such damages and to proactively identify, quantify, visualize, prioritize, and mitigate risk from earthquakes.
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