Experimental and numerical investigation of crack propagation and dynamic properties of rock in SHPB indirect tension test

• Published in: International journal of impact engineering Vol. 126; pp. 135 - 146
• Main Authors: Ai, Dihao, Zhao, Yuechao, Wang, Qifei, Li, Chengwu
• Format: Journal Article
• Language: English
• Published: Oxford Elsevier Ltd 01.04.2019; Elsevier BV
• Subjects: Computer simulation; Constitutive relationships; Crack propagation; Dynamic mechanical properties; High strain rate; Image processing; Impact loads; Impact velocity; Mathematical models; Mechanical properties; Peridynamic; Propagation; Propagation velocity; Rock; SHPB; Split Hopkinson pressure bars; Strain gauges; Stress propagation; Stress waves; Stress-strain relationships; Tension tests; Peridynamic; SHPB; Rock; Dynamic mechanical properties; Crack propagation

•The relationship of dynamic mechnical properties and crack propagation process of rock under SHPB loading has been explored.•A new calculation method of crack propagation velocity was proposed and crack propagation features were analyzed.•Based on Peridynamic thoery, a numerical model for rock mate...