Use of an integrated discrete fracture network code for stochastic stability analyses of fractured rock masses

Véronique Merrien-Soukatchoff 1 T. Korini 2 Alain Thoraval 3
1 LAEGO - Laboratoire Environnement Géomécanique et Ouvrages
2 Faculté de Géologie et des Mines
3 INERIS - Institut National de l'Environnement Industriel et des Risques
Abstract : The paper presents the Discrete Fracture Network code RESOBLOK, which couples geometrical block system construction and a quick iterative stability analysis in the same package. The deterministic or stochastic geometry of a fractured rock mass can be represented and interactively displayed in 3D using two different fracture generators: one mainly used for hydraulic purposes and another designed to allow block stability evaluation. RESOBLOK has downstream modules that can quickly compute stability (based on limit equilibrium or energy-based analysis), display geometric information and create links to other discrete software. The advantage of the code is that it couples stochastic geometrical representation and a quick iterative stability analysis to allow risk-analysis with or without reinforcement and, for the worst cases, more accurate analysis using stress-strain analysis computer codes. These different aspects are detailed for embankment and underground works.
Keywords : MODELLING FRACTURES ROCK MASS BLOCKS DISCRETE FRACTURES NETWORK STOCHASTIC RISK ANALYSIS
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Journal articles
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https://hal-ineris.archives-ouvertes.fr/ineris-00963346
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Submitted on : Friday, March 21, 2014 - 2:27:42 PM
Last modification on : Thursday, September 13, 2018 - 11:22:04 AM

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Véronique Merrien-Soukatchoff, T. Korini, Alain Thoraval. Use of an integrated discrete fracture network code for stochastic stability analyses of fractured rock masses. Rock Mechanics and Rock Engineering, Springer Verlag, 2012, 45 (2), pp.159-181. ⟨10.1007/s00603-011-0136-7⟩. ⟨ineris-00963346⟩

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