Viscous-elastic-plastic modelling of one-dimensional time-dependent behaviour of clays

Jianhua Yin, J. Graham

Research output: Journal article publicationJournal articleAcademic researchpeer-review

277 Citations (Scopus)


Increased attention has recently been directed towards the influence of time and strain-rate effects on the behaviour of clays in one-dimensional (1D) laboratory consolidation. The improved understanding coming from these studies must now be incorporated into improved constitutive models that can be used for analysis of foundation settlements. This paper presents a 1D model for stepped loading using a new concept for establishing "equivalent times' during time-dependent straining. This model is then developed into a general constitutive equation for continuous loading. The model uses three parameters, λ, κ, and ψ, that can be easily found using conventional oedometer tests. Results from three different clays have been used to examine the validity of the model. -from Authors
Original languageEnglish
Pages (from-to)199-209
Number of pages11
JournalCanadian Geotechnical Journal
Issue number2
Publication statusPublished - 1 Jan 1989
Externally publishedYes

ASJC Scopus subject areas

  • Geotechnical Engineering and Engineering Geology


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