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Insight into the seismic liquefaction performance of shallow foundations

Research output: Contribution to journalArticle

Original languageEnglish
Pages (from-to)599-607
Number of pages9
JournalJournal of Geotechnical and Geoenvironmental Engineering
Issue number4
DatePublished - Apr 2013


The mechanisms that control the seismic liquefaction performance of shallow foundations are identified for the special, still common case of a clay crust separating the foundation from the liquefied ground. For that purpose, foundation response is first analyzed with the nonlinear dynamic finite-difference method and consequently evaluated in connection with published field and experimental evidence. Insight is given into the excess pore-pressure buildup under the foundation, the seismic settlement accumulation, the static-bearing capacity degradation, and the inertia-induced interaction with the superstructure. It is thus shown that a naturally or artificially created nonliquefiable soil crust may effectively mitigate the detrimental effects of liquefaction and allow for a performance-based design of surface foundations, without additional improvement measures. DOI:10.1061/(ASCE)GT.1943-5606.0000797. (C) 2013 American Society of Civil Engineers.

    Research areas

  • Shallow foundations, Earthquakes, Liquefaction, Clay crust, Numerical analysis, Excess pore pressures, Settlement, Bearing capacity, Soil-structure interaction, Performance-based design

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