江西煤炭科技
江西煤炭科技
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JIANGXI COAL SCIENCE & TECHNOLOGY
2011年
4期
93-95
,共3页
回采压力%石门变形%锚网U型钢复合支护
迴採壓力%石門變形%錨網U型鋼複閤支護
회채압력%석문변형%묘망U형강복합지호
stoping pressure%Shimen deformation%U-shaped steel bolt compound support
沿沟煤矿23采区-270m运输石门由于受到31312工作面的采动影响,23采区-270m运输石门三煤至五煤段受损严重,通过对23采区-270m运输石门的受损机理及破坏原因分析,确定采用锚网U型钢复合支护修复,取得了良好的效果。
沿溝煤礦23採區-270m運輸石門由于受到31312工作麵的採動影響,23採區-270m運輸石門三煤至五煤段受損嚴重,通過對23採區-270m運輸石門的受損機理及破壞原因分析,確定採用錨網U型鋼複閤支護脩複,取得瞭良好的效果。
연구매광23채구-270m운수석문유우수도31312공작면적채동영향,23채구-270m운수석문삼매지오매단수손엄중,통과대23채구-270m운수석문적수손궤리급파배원인분석,학정채용묘망U형강복합지호수복,취득료량호적효과。
3 to 5 Section of-270 Transportation Shimen,23 Mining Area was terribly damaged because of the mining influence of 31312 Face.By analyzing the damaged mechanism and causes of 23-270 Transportation Shimen,U-shaped steel bolt compound support is used to achieve good results.
