煤炭工程
煤炭工程
매탄공정
COALMINE DESIGN
2009年
7期
39-41
,共3页
立井井筒%全深冻结%中深孔爆破%机械配套%快速施工
立井井筒%全深凍結%中深孔爆破%機械配套%快速施工
립정정통%전심동결%중심공폭파%궤계배투%쾌속시공
shaft%deep freezing%deep-hole blasting%assorted mechanization%rapid construction
针对胡家河煤矿主井井筒穿过的岩层情况和水文地质条件,确定采用一次全深冻结防治水方法,通过优化中深孔爆破参数、机械配套、施工辅助系统等,实现了快速施工,井筒掘砌连续3个月达到120m,为我国冻结法防治水井筒快速施工积累了经验.
針對鬍傢河煤礦主井井筒穿過的巖層情況和水文地質條件,確定採用一次全深凍結防治水方法,通過優化中深孔爆破參數、機械配套、施工輔助繫統等,實現瞭快速施工,井筒掘砌連續3箇月達到120m,為我國凍結法防治水井筒快速施工積纍瞭經驗.
침대호가하매광주정정통천과적암층정황화수문지질조건,학정채용일차전심동결방치수방법,통과우화중심공폭파삼수、궤계배투、시공보조계통등,실현료쾌속시공,정통굴체련속3개월체도120m,위아국동결법방치수정통쾌속시공적루료경험.
According to the actual conditions of surrounding rock and geohydrologic shaft in Hu Jia-River Mine,the deep freezing construction scheme in one time was finally used.The aim of rapid construction was fulfilled though optimizing parameters of deep-hole blasting,assorted mechanization,support systems and so on.The length of shaft reached 120m by sequential advancing and building in only three months.
