Adopting survey technology of double-head water-stopped machine flowing high of upward-inclined drillhole rock destruction rules were surveyed, development height of water conducted zone was gained. 采用井下仰斜钻孔双端堵水器导高观测技术对白庄煤矿综放开采条件下,覆岩破坏规律进行了实测,得出了导水断裂带的发育高度。
The rock damage evolution rules are discussed. 探讨了脆性岩石动态损伤演化规律;
The rock behaviour and rules for maintaining gateways driven along the goaf are the key problems. 在无煤柱开采中,沿空巷的矿压显观和维护规律是一个很关键的问题。
Frequency of igneous rock formation and rules of its distribution in Linyi sag 临邑洼陷古近系火成岩形成期次及其展布规律
Mainly results as follow : ( 1 ) Based on fracture mechanics and damage mechanics theory, the mechanism of rock damage and fracture has been analyzed and the rock damage and fracture rules have been put forwarded. 论文主要内容和取得的成果如下:(1)根据断裂力学和损伤力学理论,分析了岩石损伤断裂机理,提出了岩石的损伤断裂准则;