摘要
运用岩石破裂过程分析RFPA2D 系统 ,通过对岩石试样中预置的一组雁列式裂纹相互作用应力场的数值模拟 ,探讨了不同几何排布的雁列式裂纹应力场的相互作用的 4种模式 ,再现了多裂纹相互作用的应力场叠加规律 ,讨论了裂纹的几何特征和力学特性对相互作用程度的影响 ,模拟结果和相关的理论和实验结果具有较好的一致性·
By using a newly developed numerical analysis software for Rock Failure Process Analysis (RFPA 2D ), the stress field of interaction of a group of preparative echelon cracks in rock samples was simulated. Four modes of interaction among echelon cracks of different geometry forms and principle of overlap of concentrated stress were discussed. The results show good consistency with related theory and experiments.
出处
《东北大学学报（自然科学版）》
EI
CAS
CSCD
北大核心
2001年第4期446-449,共4页
Journal of Northeastern University(Natural Science)
基金
国家杰出青年科学基金资助项目 ( 5 95 2 5 40 8)
国家'八六三'高技术计划资助项目 (G19980 40 70 0 )
关键词
岩石断裂
裂纹相互作用
裂纹应力场
数值模拟
rock rupture
crack interaction
crack stress field
numerical simulation
