不稳定中厚煤层有支护水采方案探讨  

An Investigation into the Non supported Mining System Applied in Hydromining Unstable Medium Thick Coal Seam

作　　者：宋光武[1] 刘尚海[1] 

机构地区：[1]煤炭科学研究总院唐山分院

出　　处：《水力采煤与管道运输》1999年第4期34-37,45,共4页Hydraulic Coal Mining & Pipeline Transportation

摘　　要：文中分析了无支护水力开采不稳定中厚煤层存在的主要问题;提出了有支护水采工艺方案、适用条件和可行性分析。Following an analysis of the main problems encountered in mining unstable medium thick seam with non supported mining sysytem,the author proposes a supported mining system,together with an analysis of the adaptable condotions and feasibility of this mining method,Finally the paper points out the problems of the mining method requiring to be solved through further study.

关 键 词：支护水采 巷道布置 采煤 顶板管理 中厚煤层 

分 类 号：TD823.252[矿业工程—煤矿开采] TD825.4[矿业工程—矿山开采]