Generalized nonassociative multisurface approach for granular materials

Yii-Wen Pan*

*Corresponding author for this work

Research output: Contribution to journalArticle

6 Scopus citations

Abstract

The transitional yielding approach offers a unique and smooth definition for loading, unloading, and reloading; further, it need not define a conjugate point. A generalized transitional yielding approach, with any desired number of limit surfaces, is proposed. These limit surfaces represent various degrees of the hierarchical material memory due to stress history. A new method for modeling nonassociative soil behavior is also proposed; it has the advantage of using exactly the same function for the yield surface and the plastic potential surface. Model prediction and experimental data are compared to illustrate the validity of the proposed approach.

Original languageEnglish
Pages (from-to)51-66
Number of pages16
JournalJournal of Geotechnical Engineering
Volume117
Issue number1
DOIs
StatePublished - 1 Jan 1991

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