Continuum fracture mechanics of uniaxial compression on brittle materials

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1998 (EN)
Continuum fracture mechanics of uniaxial compression on brittle materials (EN)

Tronvoll, J (EN)
Labuz, JF (EN)
Vardoulakis, I (EN)
Papamichos, E (EN)

N/A (EN)

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. (C) 1998 Elsevier Science Ltd. All rights reserved. (EN)


Compression testing (EN)
Stresses (EN)
Stress diffusion (EN)
Fracture mechanics (EN)
Rock mechanics (EN)
Continuum fracture mechanics (EN)
Continuum theory (EN)
Solids (EN)
Continuum mechanics (EN)
Brittleness (EN)
Loads (forces) (EN)

Εθνικό Μετσόβιο Πολυτεχνείο (EL)
National Technical University of Athens (EN)

International Journal of Solids and Structures (EN)



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