A grain-based model considering pre-existing cracks for modelling mechanical properties of crystalline rock

Mechanical properties of crystalline rock are greatly affected by its micro-structures which are characterized as highly-interlocked polygon grains and presence of micro-defects. Due to insufficient consideration of micro-structures in crystalline rock, previous simulations using discrete element me...

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Veröffentlicht in:	Computers and geotechnics 2020-11, Vol.127, p.103776, Article 103776
Hauptverfasser:	Zhang, Xiao-Ping, Ji, Pei-Qi, Peng, Jun, Wu, Shun-Chuan, Zhang, Qi
Format:	Artikel
Sprache:	eng
Schlagworte:	Calibration Coalescence Coalescing Compressive strength Crack closure Crack initiation Cracks Crystal defects Crystal structure Crystalline rock Crystalline rocks Crystallinity Defects Discrete element method Discrete element method (DEM) High UCS/TS ratio Mechanical properties Micro-structure Minerals Modelling Polygons Room temperature Simulation Stress-strain curve Tensile strength
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