摘要
为研究巷道发生底鼓的机理,采用理论分析、模拟实验等方法,分析了底板岩层结构与物理性质、围岩应力状态、开采扰动、水理作用、支护结构等5种因素对巷道底鼓的影响,研究了一般巷道底鼓和动压巷道底鼓机理。基于此,提出复杂条件下巷道非线性、突变性、强动力性的底板岩层破坏演化及应力分布规律、巷道底鼓预防与治理时机是未来底鼓治理研究的重点。
In order to study mechanisms of floor heave of roadway, by the means of the theoretical analysis and simulation test, the five influence factors of floor heave were analyzed, including the structure and physical properties of the floor and the stress state of surrounding rock and the mining disturbance and the effect of the water and the supporting structure, the mechanism of floor heave of common roadway and dynamic pressure roadway. Based on these, more attention should be paid to achieve the floor heave of roadway in the future, such as the damage evolution and the stress distribution law of the nonlinear, mutational and strongly dynamic floor strata, controlling-timing and prevention of floor heave roadway.
出处
《煤矿安全》
北大核心
2017年第9期218-221,共4页
Safety in Coal Mines
基金
煤矿安全高效开采省部共建教育部重点实验室开放研究基金资助项目(JYBSYS2015101)
河北省高等学校科学技术研究资助项目(QN2016230)
深井瓦斯抽采与围岩控制技术国家地方联合工程实验室开放基金资助项目(G201616)
关键词
煤矿巷道
底鼓治理
底鼓机理
影响因素
开采扰动
roadway of coal mine
floor heave control
mechanism of floor heave
influencing factor
mining disturbance
