浅埋深大采高综采工作面压架及冒顶处理技术王永军

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doi10.11799/ce2015030232014-08-051970-E-mail912607926@qq.com。.J.201547368-70.71931552303、、、、、。TD323A1671-0959201503-0068-03TreatmentforSupportCrushingandRoofCavinginShallowBuriedHighCuttingWorkingFaceWANGYong-junDaliutaCoalMineShenhuaShendongCoalGroupCorporationLimitedShenmu719315ChinaAbstractAimingattheroofcavingandsupportcrushingaccidentintheminingof52303workfaceusingtheoreticalanalysisandobservationofroofcavingrangethepaperstudiedthecausesfortheseaccidentsandthestrongminepressurebehavioroftheworkingface.ThetreatmentschemewasintroducedsettingshotholesinthefrontandsideofmachinetailfoundationtotreatsupportcrushinggroutingMarithanintoworkingfacecoalwallandfillingRocsilfoaminroofcavingzonetotreatroofcaving.Favorableresultwasachievedprovidingtechnicalsupportforsafeandefficientproductionofcoalmine.Keywordsshallow-buriedhighcuttingsupportcrushingroofcavingMarithanminepressurebehavior5-2523035-27m。5230352303。52303606m、、1-6。152303301.5m4405.62m151ZY18000/32/706.6~7.3m6.93m6.8m。、。5230352304523025222305、22306。523031。15230352303149~289m132~245m。1。86473COALENGINEERINGVol.47No.31/m5.2~28.30~1.850~0.25、0.76~5.6、52303“+++”Φ18mm×2100mm61.0mΦ6.5mm×150mm×150mm。Φ17.8mm×8000mm32m。“++”Φ18mm×2000mm41.0m。“+++W”Φ18mm×2100mm41.0mΦ6.5mm×150mm×150mm2Φ17.8mm×3500mmW4.6m1.7m0.5m。22.1523033180m12m。17.5m4.5~8m。30#~120#45~47MPa1.5~1.6。0.3~0.6m60%。0.5~1m1.5m0.4~0.8m1.0m。52303、15m0.3m。2.2523033180m。2014217619m。16.0m2~9m。30#~135#。45~47MPa72%0.4~0.6m。1.5m1.5m。523030.8m0.4m。20142171814m130#~150#147#6m。523031.2m。33.15230313708m20113#~145#500mm140#~148#。23791m120#~145#135#~145#。33799m145#~148#6m1000mm600mm。3.23.2.11、、、。2。3、、。3.2.215230352304。52303、。。252303。523035230317621~20675kN5230318550kN5230318000kN。352303。523035-211.38m7.71m101.7m13.43m。523037m、9620153。5-22-25-2100m5-252303。。452303。44.1523031000mm600mm3.3m148#~151#。。。、20°1.5m1600mm。4.23130#~148#20m145#~149#。1130#~148#10m6m。10m2.5m4.0m13°。6m2.5m20°4.0m23°。6m10m18362。2mm248、5m15m2m93°3.5m103°3。3mm3145#~149#6m3~4m3m0.3m0.05m。。4.310.2m。0.5m。28m。3、。。5、。1.J200532236-37.2.J.20113081547-1557.3.J.2009956-59.4.M.2000.5.J.200812439-42.6.J.20081254-55.0720153

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