山东煤炭科技
山東煤炭科技
산동매탄과기
Shandong Coal Science and Technology
2012年
6期
186-187
,共2页
支承压力%平衡拱%注浆加固%超前锚索
支承壓力%平衡拱%註漿加固%超前錨索
지승압력%평형공%주장가고%초전묘색
abutment pressure equilibrium arch grouting reinforcement advanced anchor
文章分析了煤壁片帮、冒顶、支架倾斜的原因,分析认为支承压力和顶板破碎是事故的主因,提出了采用注浆及超前锚索联合加固技术,工程实践证明此技术措施效果显著,保证了工作面安全高效生产。
文章分析瞭煤壁片幫、冒頂、支架傾斜的原因,分析認為支承壓力和頂闆破碎是事故的主因,提齣瞭採用註漿及超前錨索聯閤加固技術,工程實踐證明此技術措施效果顯著,保證瞭工作麵安全高效生產。
문장분석료매벽편방、모정、지가경사적원인,분석인위지승압력화정판파쇄시사고적주인,제출료채용주장급초전묘색연합가고기술,공정실천증명차기술조시효과현저,보증료공작면안전고효생산。
Paper analyzes the reason of coal wall spalling roof fall and support tilted, analysis account that 'abutment pressure and broken roof was the main cause. Put forward a proposal that use grouting and advanced anchor combined reinforcement technology, engineering practice shows this technique measures effect remarkable, ensured the working face safe and effective production.