Heidarzadeh Shahriyar, Saeidi Ali et Rouleau Alain. (2021). The damage-failure criteria for numerical stability analysis of underground excavations: A review. Tunnelling and Underground Space Technology, 107, (e103633),
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URL officielle: http://dx.doi.org/doi:10.1016/j.tust.2020.103633
Résumé
Failure of rock mass in deep underground excavations could be attributed to a broad range of performance malfunction, from plastic yielding of rock, generation of macro cracks on the boundary of the excavation, gravity driven rockfalls or even complete stress-induced collapse. The failure criteria determine the stress level (or strain level) at which the rock mass loses its load-carrying (or strain-carrying) capacity. Determination of the state of underground stability can be successfully achieved through implementation of appropriate failure criteria within the numerical analyses’ tools. The choice of failure criteria in numerical stability analysis plays a key role in defining the behaviour of an underground excavation. A failure criterion will be useful only if selected based on the correct mechanism of failure. Plus, a right choice of failure criterion, significantly reduces the errors of quantifying an excavations behaviour. Therefore, this paper offers a critical review of the most common stress-based and strain-based failure criteria used in numerical stability analysis of underground excavations. Particular attention is paid to characterize different mechanisms of underground failure and recommendations are formulated for each failure mode. In addition, this paper addresses the theoretical considerations for the applicability of different failure criteria and highlights the practical limitations for their numerical implementation.
Type de document: | Article publié dans une revue avec comité d'évaluation |
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Volume: | 107 |
Numéro: | e103633 |
Version évaluée par les pairs: | Oui |
Date: | Janvier 2021 |
Sujets: | Sciences naturelles et génie > Génie Sciences naturelles et génie > Sciences naturelles > Sciences de la terre (géologie, géographie) |
Département, module, service et unité de recherche: | Départements et modules > Département des sciences appliquées > Unité d'enseignement en sciences de la Terre Unités de recherche > Chaire de recherche du Canada en prévision et prévention des risques liés aux aléas hydro-géotechniques (P2GeoRISQUE) |
Mots-clés: | rock mass failure, underground excavations, stress-based criteria, strain-based criteria, numerical modeling, rupture de masse rocheuse, excavations souterraines, critères fondés sur les contraintes, critères fondés sur les déformations, modélisation numérique |
Déposé le: | 24 févr. 2021 21:25 |
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Dernière modification: | 01 janv. 2023 05:00 |
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