基于双指标的底板突水危险性评价方法  

Evaluation Method for Floor Water-Inrush Risk Based on Double-Index

作　　者：朱开鹏 ZHU Kaipeng(China Coal Technology and Engineering Group Xi'an Research Institute,Xi'an 710054,China;Shaanxi Key Laboratory of Coal Mine Water Hazard Prevention and Control,Xi'an 710077,China)

机构地区：[1]中煤科工集团西安研究院有限公司,陕西西安710054 [2]陕西省煤矿水害防治技术重点实验室,陕西西安710077

出　　处：《煤矿安全》2020年第8期232-238,244,共8页Safety in Coal Mines

基　　金：国家重点研发计划资助项目(2017YFC0804106);中煤科工集团西安研究院有限公司创新基金资助项目(2018XAYZD11)。

摘　　要：底板突水危险性评价是进行矿井底板水害防治的基础性工作,其结果直接影响到所采取的防治水措施是否合理。以准格尔矿区6煤带压开采矿井为研究区,在突水系数法基础上引入富水性评价指标,提出了双指标评价的判别标准,将评价区划分为相对安全区、过渡区、危险区,并分别细分为1、5、3个亚区,且制定了双指标评价流程。结果表明:研究区北部基于突水系数单指标评价的相对安全区提升为双指标评价的过渡区、西南部的危险区降级为过渡区,既提高了整个矿区底板突水危险性分区的客观性,又解放了受底板承压水压覆的煤炭资源,科学有效地指导了研究区底板水害防治工作。The water-inrush risk evaluation of seam floor is the basic work for the prevention and control of floor water damage.The rationality of the prevention and control measures is affected by the evaluation. The evaluation index of water abundance was introduced based on the water inrush coefficient by taking the coal No.6 in Jungar Mining Area as the study area. The evaluation zone was classified as relative safety zone, transition zone, danger zone, and subdivided into 1, 5, 3 sub-regions, and the evaluation process was developed. The results show that: the relative safety zone based on water inrush coefficient was upgraded to the transition zone in the northern of the study area, and the danger zone was reduced to the transition zone in the southwest of the study area, that improved the objectivity of the evaluation and liberated the coal resources covered by the water. The evaluation basic on double-index can guide the prevention and control of floor water damage more scientifically and effectively.

关 键 词：带压开采 突水系数 富水性 双指标 评价流程 

分 类 号：TD745.21[矿业工程—矿井通风与安全]