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Numerical simulation schemes for time-dependent crack growth in hard brittle rock
Abstract Time-dependent crack growth in brittle rock has been studied utilizing the proposed numerical models. The modeling schemes are developed based on the theory of subcritical crack growth, linear elastic fracture mechanics and Charles equation. The lifetime prediction schemes were introduced. Simulation results of different numerical models were compared. Preliminary studies were also performed to simulate the fracture pattern of underground opening and pillar. Conclusions were drawn, and possible future work is also discussed.
Numerical simulation schemes for time-dependent crack growth in hard brittle rock
Abstract Time-dependent crack growth in brittle rock has been studied utilizing the proposed numerical models. The modeling schemes are developed based on the theory of subcritical crack growth, linear elastic fracture mechanics and Charles equation. The lifetime prediction schemes were introduced. Simulation results of different numerical models were compared. Preliminary studies were also performed to simulate the fracture pattern of underground opening and pillar. Conclusions were drawn, and possible future work is also discussed.
Numerical simulation schemes for time-dependent crack growth in hard brittle rock
Li, Xiang (Autor:in) / Konietzky, Heinz (Autor:in)
Acta Geotechnica ; 10 ; 513-531
14.08.2014
19 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
Charles equation , Lifetime , Numerical simulation , Subcritical crack growth , Wing crack Engineering , Geoengineering, Foundations, Hydraulics , Continuum Mechanics and Mechanics of Materials , Geotechnical Engineering & Applied Earth Sciences , Soil Science & Conservation , Soft and Granular Matter, Complex Fluids and Microfluidics , Structural Mechanics
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