Experimental study on time-dependent stress and strain of in-plane shear(ModeⅡ) fracture process of

• 作 者: 王志 饶秋华 谢海峰
• 机 构: SchoolofCivilandArchitecturalEngineering
• 出 处: Journal of Central South University of Technology
• 发表日期: 2008年S1期
• 关键词: TIME-DEPENDENT stress and STRAIN MODE Ⅱ FRACTURE STRAIN measurement FRACTURE mec
• 基金项目: Project(50374073) supported by the National Natural Science Foundation of China,Project(1343-77239) supported by the GraduaEducation Innovation Project of Central South University,China

Shear-box test with strain measurement was used to study time-dependent stress and strain of in-plane shear(Mode Ⅱ) fracture process of rock and to reveal the mechanism of Mode Ⅱ fracture.Numerical results show that the maximum shear stress τmax at the cr