超高水材料开放式充填开采技术优化与应用  

Optimization Technology of Open Type Backfill Mining with Ultra High Water Material

作　　者：孙春东[1] 李永元[2] 

机构地区：[1]冀中能源邯郸矿业集团有限公司,河北邯郸056000 [2]冀中能源邯郸矿业集团有限公司陶一煤矿,河北邯郸056000

出　　处：《煤炭科学技术》2013年第9期87-90,共4页Coal Science and Technology

基　　金：国家自然科学基金青年基金资助项目(51004101);国家自然科学基金资助项目(51264035)

摘　　要：为解决煤层倾角较小时超高水材料开放式充填开采过程中充填率较低的问题,通过现场观测采取抬高充填液面高度的措施提高充填率,并采取沿空留巷和分区域充填的技术措施辅助提高充填率,通过对工作面矿压观测、巷道变形观测、地表下沉观测可知该工艺可以缓解矿压显现强度,极大减少地表下沉及巷道变形。In order to solve the low backfill rate problem occurred in the open type backfill mining process with the uhrahigh water material when the inclination of the seam was low, the theoretical analysis and the site practices method were applied to optimize the traditional open type backfill technique with the ultra high water material.With the site observation,the measures to lift the backfill liquid level were con ducted to improve the backfill rate and the gateway retained along the mining gateway and the regional backfill technical measures were ap plied to improve the backfill rate secondly. With the mine strata pressure observation of the coal mining face, the mine gateway deformation observation and the surface ground subsidence observation conducted, the technique could release the mine strata pressure behavior intensi ty and could highly reduce the surface ground subsidence and the gateway deformation.

关 键 词：超高水材料 开放式充填开采 抬高充填液面 矿压显现 

分 类 号：TD353.7[矿业工程—矿井建设]