Elastoplastic model with damage for strain softening geomaterials

G. Frantziskonis, C. S. Desai

Research output: Contribution to journalArticle

44 Scopus citations

Abstract

The paper examines certain important aspects of a rate independent model that accounts for distributed damage due to microcrack growth. Material behavior is considered as a mixture of two elastic-plastic interacting components, one termed topical (undamaged), and the other termed damaged. Energy considerations show the equivalence of the two-component body to an elastic-plastic body containing cracks; the equivalence is considered in the Griffith sense. The mechanisms of failure are considered and discussed with respect to multiaxial stress paths. An explanation of failure, at the microlevel, is given. A series of laboratory tests on a concrete are used to illustrate the development of failure.

Original languageEnglish (US)
Pages (from-to)151-170
Number of pages20
JournalActa Mechanica
Volume68
Issue number3-4
DOIs
StatePublished - Sep 1 1987

ASJC Scopus subject areas

  • Computational Mechanics
  • Mechanical Engineering

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