Journal
COMPUTERS AND GEOTECHNICS
Volume 81, Issue -, Pages 274-283Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compgeo.2016.08.029
Keywords
Crack mouth opening displacement; Dimensional analysis; Discrete element method
Categories
Funding
- Australian Research Council (ARC) [DP140100490]
- Brazilian CAPES Agency
- Advance Queensland Fellowship program [AQ-15188]
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A micro-mechanical model is developed to study the fracture propagation process in rocks. The model is represented by an array of bonded particles simulated by the discrete based method. Experimental results of tests using Cracked Chevron Notched Brazilian Discs (CCNBD) with different inclination angles relative to the direction of loading are used to calibrate and validate the model. Dimensional analysis is used to identify and minimise the microscale parameters to be considered. The comparison between experimental and computational results shows a satisfactorily good agreement. (C) 2016 Elsevier Ltd. All rights reserved.
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