Overview and interpretation of rate-dependency of the behaviour of soft clays

Z.X. Wu, Q.Y. Zhu, Zhenyu Yin

Research output: Journal article publicationJournal articleAcademic researchpeer-review


Extensive laboratory tests and field observations show that soft clays exhibit significant rate-dependent behavior. The rate-dependency of stress-strain behavior under both 1D and 3D conditions is firstly reviewed. The applicability of five rate-dependency equations in correlating the pre-consolidation pressure and undrained shear strength is also discussed. Furthermore, the rate-dependency of the behaviour of soft clays under complex loading conditions is analysed. Finally, the uniqueness of the rate-dependency under different conditions, i.e. between 1D and 3D, between triaxial compression and extension, between different OCRs is investigated.
Original languageEnglish
Pages (from-to)1-11
Number of pages11
JournalGeotechnical Engineering
Issue number3
Publication statusPublished - 1 Sept 2015
Externally publishedYes


  • Over-consolidation ratio
  • Pre-consolidation pressure
  • Rate-dependency
  • Shear strength
  • Stress-dilatancy

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Geotechnical Engineering and Engineering Geology


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