The 2010-2011 Canterbury, New Zealand, Earthquake Sequence: Impetus for Rethinking the Way We Evaluate and Mitigate Liquefaction

by Russell A. Green, P.E., Ph.D., (M.ASCE), Professor; Department of Civil and Environmental Engineering, Virginia Tech, Blacksburg, VA,,
Brady R. Cox, P.E., Ph.D., (M.ASCE), Professor; Department of Civil, Architectural and Environmental Engineering, The University of Texas at Austin, Austin, TX,,

Serial Information: Geo-Strata —Geo Institute of ASCE, 2016, Vol. 20, Issue 6, Pg. 48-53

Document Type: Feature article

Abstract: Liquefaction is a common cause of ground failure during earthquakes and is directly responsible for tremendous damage to infrastructure. Evidence of the impact of liquefaction includes failure of bridge foundations due to lateral spreading, settlement and tilting of structures, cracking and buckling of roadways, and failure of buried lifelines (e.g. water, sewer, gas, and electrical lines) due to flotation or differential movements, among others. These effects were vividly displayed during the 2010-2011 Canterbury earthquake sequence (CES) in New Zealand, which caused widespread, severe, and recurrent liquefaction throughout the city of Christchurch.

Subject Headings: Failure analysis | Bridge failures | Earthquakes | Soil liquefaction | Power outage | Structural failures | Bridge foundations | Spread foundations | New Zealand | Oceania


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