新型充填材料在特厚煤层巷道高冒区的应用张耀辉

409Vol.40No.920129CoalScienceandTechnologySept．2012454003。3d1.4MPa6%～8%。TD327.2A0253－2336201209－0006－03NewBackfillMaterialAppliedtoHighRoofFallingZoneofUltraThickSeamGatewayZHANGYao-huiWANGWenZHANGWeiWANGChaoSchoolofEnergyScienceandEngineeringHenanPolytechnicUniversityJiaozuo454003ChinaAbstractInordertosolvethehighrooffallingzonedangerproblemsofthemininggatewayoccurredinthefullymechanizedtopcoalca-vingmininginthickseambasedontheanalysisonthecauseofthehighrooffallingzoneanddangeranewbackfillmaterialofhighrooffallingzonewasdeveloped．Incombinationwiththecertainconditionsofthehighrooffallingzoneinthegatewayasuitablebackfilltech-niquewasselected．Thesiteapplicationresultsshowedthatthebackfillmaterialcouldhavethefeaturesofthematerialwiththelightweighandnon－combustionthecompressivestrengthafterthreedayscouldreachat1.4MPaandtheswellingratecouldbe6%～8%．Theboreholesightshowedthatthebackfilledmaterialinthehighrooffallingzonewascompactwithnocrackandbrokenandtheback-filledmaterialwerewellbondwiththeroofofthehighrooffallingzone．Undertheinfluencesoftheperiodicalpressureandminingactivi-tiestherewerenodeformationandbeddingoccurredinthebackfilledmaterialofthehighfallingzone．Thebackfillmaterialandthebackfilltechniquecouldwellsolvetheexistedproblemsofthehighrooffallingzone．Keywordshighrooffallingzonebackfillmaterialultrathickseambackfilltechnique2012－05－122011MTKJ2011－4051985—。[e-mail]2012－09－17103318http//．J．20124096－889．1－2。500mm0.5m33。。。。①②、、FCC、、5－10。、6DOI10.13199/j.cst.2012.09.12.zhangyh.02020129。。1315－32012800t34.54～7.32m6.01m。N1－3N1－4N1N1N1－3813m。5.86～6.23m6.04m10.17m。1.33m。N1－34.8m3.2m15.36m2。600m。813m28、1～2m1～2m2～4m2～10m3。。1N1－3、。N1－31。。、。。22.1、、。、。。。0.62g/cm3120mm5min10min6%～8%3d1.4MPa2%。。2.22。22.31。1.5m14.15mm×5000mm。210mm150mm。3250mm×250mm。720129404。、。3。32.41①②。、③。2①。②③。3①0.5MPa1.2∶1.0②0.5MPa③、④。4。4211。。4①、②。3、。。。。5。55。41。2。。。89820129⑤、。44。。1．J．2010354529－534．2．J．201139269－72．3．J．201139273－76．4SalvatoreMarchAlanHevnerSudhaRam．ApplyingtheTechnologyAcceptanceModelandFlowTheorytoonLineCon-sumerBehaviorJ．InformationSystemResearch2004132124－129．5RikkCarey．TheAnnotatedVRML97ReferenceM．USAAccadOsuEdu2004．6．VRMLM．2004135－139．7．J．2005254－56．8．GISJ．2005859－61．9．J．2009259－61．10．J．200912151－154．11．J．2010417－21．12．J．20104檶檶檶檶檶檶檶檶檶檶檶檶檶檶檶檶檶檶檶檶檶檶檶檶檶檶檶檶檶檶檶檶檶檶檶檶檶檶檶檶檶檶檶檶檶檶檶1－3．8。3。。42。。。1.M．19931－2．2.M．200878－79．3．J．200836738－40．4.M．2003．5.、J．2009171－79．6.M．1991．7.J．19988221－23．8.J．2008375591－594．9.J．200735524－28．10.J．200423672－73．98