高分子材料在煤巷冒顶区中的应用实践张龙

。、、、。ApplicationPracticeofHighPolymerMaterialsinRoofFallingAreainCoalRoadwayZHANGLong(Shennan'aoCokingCoalCo.,Ltd.,XiangningCokingCoalGroupofShanxi,Xiangning042100,Shanxi,China)Abstract:ThispaperfocusedontechnicalparametersandconstructiontechnologyofusinghighpolymerGutelongtopre-groutandusingMafuyintofilltop-coalcavingregion,proposedinnovativetechnicalapproachtodealwithtop-coalcavingregionincoalroadwaydrivingprocessundercomplicatedgeologicalconditions,andprovidesanefficientandreliablemeansofnewtechnologiestoimprovethemanagementoftheminetunnelingtechnologyandensuresafeandfastdriving,whichshouldbewidelyapplied.Keywords:rooffallingareaGutelongMafuyinsupportingtechnology××、、××××。、、。、、、、、、、。、、、、、。。··!!!!!!!!!!!!。～～。～、、。、～Φ～。～。、。、、～、、。。、、、、。→→→→→→→→→。。、ΦΦΦ。。。1.J.2014(12)182-183.2.D.()2007.a)b)。。。Rac)UGR。。25、22、19UGR。··