Continuum fracture mechanics of uniaxial compression on brittle materials

Ioannis Vardoulakis, Joseph F. Labuz, Euripides Papamichos, Johan Tronvoll

Research output: Contribution to journalArticlepeer-review

35 Scopus citations

Abstract

A review of the uniaxial compression test on brittle solids is presented. The discussion focuses on the description of the post-peak behavior, where strength softening and fractures propagating mainly in the axial direction are observed. Based on experimental evidence and dimensional analysis, the post-peak axial stress is seen as a function of the axial displacement normalized by the radius of the specimen, and not of its height. Accordingly, a continuum theory of stress diffusion is developed that is able to account for size effect. As a practical application of the theory, the bearing capacity of a pillar in a deep mine is considered.

Original languageEnglish (US)
Pages (from-to)4313-4335
Number of pages23
JournalInternational Journal of Solids and Structures
Volume35
Issue number31-32
DOIs
StatePublished - Nov 1998

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