山东煤炭科技
山東煤炭科技
산동매탄과기
Shandong Coal Science and Technology
2014年
12期
64-66
,共3页
穿层巷道%非对称变形%耦合支护
穿層巷道%非對稱變形%耦閤支護
천층항도%비대칭변형%우합지호
penetrated strata roadway%non symmetry deformation%coupling support
星村矿-1186m水平回风巷为穿层岩巷，在该巷道穿过侏罗纪红层泥岩时，发生较大的非对称变形，针对这种情况，本文提出了采用锚网索+底角锚杆的耦合支护技术。现场监测结果表明：在耦合状态下，围岩高应力区能够向低应力区转移，应力集中程度大大降低，围岩应力场趋向均匀化，由此引起的位移场也变得均匀化。
星村礦-1186m水平迴風巷為穿層巖巷，在該巷道穿過侏囉紀紅層泥巖時，髮生較大的非對稱變形，針對這種情況，本文提齣瞭採用錨網索+底角錨桿的耦閤支護技術。現場鑑測結果錶明：在耦閤狀態下，圍巖高應力區能夠嚮低應力區轉移，應力集中程度大大降低，圍巖應力場趨嚮均勻化，由此引起的位移場也變得均勻化。
성촌광-1186m수평회풍항위천층암항，재해항도천과주라기홍층니암시，발생교대적비대칭변형，침대저충정황，본문제출료채용묘망색+저각묘간적우합지호기술。현장감측결과표명：재우합상태하，위암고응력구능구향저응력구전이，응력집중정도대대강저，위암응력장추향균균화，유차인기적위이장야변득균균화。
Return airway of Xing Cun mine -1186 level is rock roadway penetrated strata , in the roadway through,roadway laying in the Jurassic red bed mudstone generated greater asymmetric deformation, in view of this situation, this paper presented the coupling support technology with bolt mesh anchor and corner anchor. Field monitoring results indicate that in the coupled state, the stress can transfer from the greater stress zone to the lower, stress concentration degree is reduced greatly, the surrounding rock stress ifeld is uniform, which caused the displacement ifeld to become homogenization.
