煤矿机电
煤礦機電
매광궤전
COLLIERY MECHANICAL & ELECTRICAL TECHNOLOGY
2012年
5期
107-109
,共3页
综采工作面%下部旧巷%顶底板管理
綜採工作麵%下部舊巷%頂底闆管理
종채공작면%하부구항%정저판관리
fully mechanized coal mining face%under-part old tunnel%roof and floor plate management
以铁煤集团晓南矿W,712—2综采工作面过下部旧巷回采实践为依据,介绍了综采工作面过下部旧巷回采方法,讨论了综采工作面通过下部旧巷回采底板技术管理及顶板管理问题。提出了对下部旧巷充填、注浆,在液压支架下方旧巷上方铺设工字钢等方法,有效地解决了支架下陷及顶板安全管理问题。
以鐵煤集糰曉南礦W,712—2綜採工作麵過下部舊巷迴採實踐為依據,介紹瞭綜採工作麵過下部舊巷迴採方法,討論瞭綜採工作麵通過下部舊巷迴採底闆技術管理及頂闆管理問題。提齣瞭對下部舊巷充填、註漿,在液壓支架下方舊巷上方鋪設工字鋼等方法,有效地解決瞭支架下陷及頂闆安全管理問題。
이철매집단효남광W,712—2종채공작면과하부구항회채실천위의거,개소료종채공작면과하부구항회채방법,토론료종채공작면통과하부구항회채저판기술관리급정판관리문제。제출료대하부구항충전、주장,재액압지가하방구항상방포설공자강등방법,유효지해결료지가하함급정판안전관리문제。
Based on under-part old tunnel stoping practice of W3712-2 fully mechanized coal mining Xiaonan coal mine, the stoping methods of under-part old tunnel are introduced. The management problems and floor plate are discussed. The methods of filling, slip casting, and laying flange beam are proposed, effectively solve the problems of supporting sink and roof safety management. face at of roof which