Strength and failure characteristics of jointed rock mass with double circular holes under uniaxial compression: Insights from discrete element method modelling

• Published in: Theoretical and applied fracture mechanics Vol. 109; p. 102692
• Main Authors: Lin, Qibin, Cao, Ping, Meng, Jingjing, Cao, Rihong, Zhao, Zhiye
• Format: Journal Article
• Language: English
• Published: Amsterdam Elsevier Ltd 01.10.2020; Elsevier BV
• Subjects: Coalescing; Crack initiation; Crack propagation; DEM; Discrete element method; Double circular hole; Failure mode; Failure modes; Geoteknik; Jointed rock; Jointed rock mass; Mechanical properties; Modulus of elasticity; Rock masses; Soil Mechanics; Strength; Uniaxial compression; Failure mode; Uniaxial compression; Double circular hole; DEM; Strength; Jointed rock mass

•.The model of jointed rock mass with double holes was developed using DEM modelling.•The peak strength and elastic modulus exhibited a U-shaped change with the joint angle.•Four typical failure modes were summarized.•Five types of crack coalescence among the holes and adjacent joints were found. Un...