煤岩体的损伤断裂机理研究  

The Research of Damage and Fracture Mechanism of Coal Rock

作　　者：赵正军[1] 田取珍[1] 李兰秀 

机构地区：[1]太原理工大学矿业工程学院,山西太原030024 [2]中铁十一局集团一公司,湖北武汉430000

出　　处：《太原理工大学学报》2005年第3期260-263,共4页Journal of Taiyuan University of Technology

基　　金：国家自然科学基金重点资助项目(59574008)

摘　　要：从分析煤岩的微结构特征和煤岩体的裂纹系统出发,根据损伤力学和断裂力学理论,初步探讨了煤岩体的损伤断裂机理,提出了煤岩体的损伤断裂准则,为煤炭开采中合理进行煤岩破碎和改进煤炭生产工艺及煤炭品质等提供一定的理论参考。From analysis the microstructural characteristic and the crack system of the coal set, based on fracture mechanics and damage mechanics theory, the mechanism of coal damage and fracture has been analyzed and the coal damage and fracture rules have been put forward, providing the certain theories for improving surrounding rock control and coal production efficiency.

关 键 词：煤岩 损伤 脆性断裂 裂纹 机理 

分 类 号：TD231.1[矿业工程—矿井建设]