地下开采多层采空区稳定性评价及治理措施研究

Study on Stability Evalution and Treatment Measures of Underground Mining Multi-layer Goaf

多层采空区塌陷灾害危害较大,但目前尚缺乏有效的勘查技术和有效的防治措施,且多层采空区地下开采空间分布复杂,因此开展地下开采多层采空区稳定性评价及治理措施研究,对减少或减轻采空区塌陷灾害有重要的现实意义。本文以浙江某萤石矿采空区为例,进行地下多层采空区塌陷勘查研究、实践,进行勘查方法选取及成果分析,采空区稳定性及危害性评价,同时对相应的保护措施进行了探讨。

Multilayer goaf collapse disasters harm is bigger,but it is lack of effective exploration technology and the effective prevention and control measures,and multilayer goaf spatial distribution of underground mining complex,thus to carry out underground mining multilayer goaf stability evaluation and control measures,to reduce or mitigate goaf collapse disasters have important practical significance.Taking the goaf of a certain fluorite mine in zhejiang province as an example,this paper studies and practices the collapse of underground multi-layer goaf,selects exploration methods and analyzes the results,evaluates the stability and hazard of goaf,and discusses the corresponding protection measures.