唐山矿铁路煤柱覆岩离层注浆减沉开采方案分析  

Analysis on Ground Subsidence Control Mining Plan with Grouting in Overburden Separated Strata above Coal Pillar Under Railway Line in Tangshan Mine

作　　者：黄旭[1] 

机构地区：[1]首钢总公司资源办公室,北京100041

出　　处：《煤炭科学技术》2009年第2期25-28,共4页Coal Science and Technology

摘　　要：为了经济可靠开采唐山矿铁路煤柱,分析了开滦唐山矿铁路压煤的现状,通过理论计算和方案比选,采用了覆岩离层注浆减沉开采技术,在唐山矿铁二区实施了铁路煤柱的开采,取得了比较显著的经济效益和社会效益,为类似条件下的煤柱开采提供了一种新的技术途径。In order to economically and reliably mine the coal pillars under the railway line in Tangshan Mine,Kailuan,the paper analyzed the present status of the coal under the railway line in Tangshan Mine.With the theoretical calculation and alternatives comparison,the subsidence control technology with the grouting in overburden strata was applied to the coal pillar mining under the railway line in No.Railway 2 Block of Tangshan Mine.The coal pillar mining had achieved obvious economic and social benefits and pro...

关 键 词：覆岩离层 注浆减沉 铁路煤柱 

分 类 号：TD325[矿业工程—矿井建设]