NYDOT: LIQUEFACTION POTENTIAL OF COHESIONLESS SOILS

[tuanpecc1]

LIQUEFACTION POTENTIAL OF COHESIONLESS SOILS

Published by NEW YORK STATE DEPARTMENT OF TRANSPORTATION
Date: April 2007
Pages: 80

ABSTRACT
This report provides basic knowledge about liquefaction of cohesionless soils under seismic loading. Presented also are the most widely accepted methods for evaluating the liquefaction potential of cohesionless oils in level ground, for estimating earthquake-induced settlements and for analyzing slope stability against flow slides. Sample problems to demonstrate each design procedure are included in the appendices.
A brief review is presented of the seismicity of New York State, the level of which can be characterized as moderate. The State historically has experienced earthquakes up to a magnitude of 6.0. Earthquakes of this magnitude can cause structural and ground failures from liquefaction. Liquefaction-induced failure types and factors affecting liquefaction susceptibility are also reviewed.
Finally, methods for improving in-situ soil conditions to reduce liquefaction susceptibility are discussed.

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