大面积胶结充填体诱导冒落机理及其发展过程研究
Study on Induced Caving Mechanism and Development Process of Large Area Cemented Backfill
（a）崩落法采空区后方（10~45 m）产生应力集中致使胶结充填体发生破坏（第一类事件）；（b）胶结充填体岩梁在采空区后方边界处发生剪切破坏（第二类事件）；（c）胶结充填体岩梁中部发生下沉弯曲拉伸破坏（第三类事件）；σc-垂向压力；στ-剪切应力；σt-拉应力
大面积胶结充填体诱导冒落机理及其发展过程研究 |
| 苏华友,王永定,谭宝会,龙卫国,杨宁,张志贵,陈星明 |
|
Study on Induced Caving Mechanism and Development Process of Large Area Cemented Backfill |
| Huayou SU,Yongding WANG,Baohui TAN,Weiguo LONG,Ning YANG,Zhigui ZHANG,Xingming CHEN |
| 图6 顶板胶结充填体破裂强微地震事件发生位置及其机理 （a）崩落法采空区后方（10~45 m）产生应力集中致使胶结充填体发生破坏（第一类事件）；（b）胶结充填体岩梁在采空区后方边界处发生剪切破坏（第二类事件）；（c）胶结充填体岩梁中部发生下沉弯曲拉伸破坏（第三类事件）；σc-垂向压力；στ-剪切应力；σt-拉应力 |
| Fig.6 Occurrence location and mechanism of strong micro-seismic events of roof cemented backfill |
|
|