Index properties-based criteria for liquefaction susceptibility of clayey soils: A critical assessment

David Kun Li, C. Hsein Juang, Ronald D. Andrus, William M. Camp

Research output: Contribution to journalArticlepeer-review

24 Scopus citations

Abstract

The Cooper marl in Charleston, S.C., a deep layer of clayey soils approximately 5-21m below the ground surface, is generally recognized as nonliquefiable material. Data from field cone penetration tests and laboratory tests of samples taken from the Cooper marl are used to investigate the adequacy of index properties-based criteria for assessing liquefaction susceptibility of clayey soils. In particular, the criterion based on soil behavior type index (Ic) and that based on Atterberg limits are examined. The results show that the Atterberg limits-based criterion adequately reflected the characteristics of the marl, whereas the Ic-based criterion erroneously identified the marl as being liquefiable. A possible reason for the deficiency of Ic and a modification to overcome this deficiency are presented.

Original languageEnglish
Pages (from-to)110-115
Number of pages6
JournalJournal of Geotechnical and Geoenvironmental Engineering
Volume133
Issue number1
DOIs
StatePublished - Jan 2007

Keywords

  • Clays
  • Cone penetration tests
  • Earthquakes
  • Liquefaction
  • Plasticity
  • Soil properties

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