河南理工大学本科毕业设计1平煤八矿新副井戊二轨道上山石门揭煤设计摘要:在煤与瓦斯突出矿井中,石门揭突出煤层危险性大,时间特别长,是矿井安全技术的重点和采掘部署的瓶颈工程。本文阐述了国内外关于煤与瓦斯突出机理的综合学说,详细分析了石门揭煤突出的原理,包括其突出影响因素、发生条件、突出煤体的力学特性与瓦斯流动规律,之后对通过对平行布孔抽放瓦斯、扇形布孔抽放瓦斯、交叉布孔抽放瓦斯比较,提出平煤八矿戊9-10煤层的揭煤方案——石门短导硐、交叉布孔抽放瓦斯和震动放炮相结合的揭煤措施。并按《防治煤与瓦斯突出细则》制定了“四位一体”防突措施及相关安全防护及防突措施。关键词:煤与瓦斯突出,石门揭煤,突出机理,短导硐揭煤技术河南理工大学本科毕业设计2DesignofCross-cutCrossingSeamatNewAuxiliaryShaftRailRaiseinPingmeiCorporation8MineAbstract:Intheminewhichgushthecoalandgas,rockcrosscutvuncoversthecoalprominentcoalbedseriousrisk,thetimeexepectlong,itistheminesecuritytechnologykeypointandtheexcavationdeploymentbottleneckproject.Thisarticleelaborateddomesticandforeignaboutcoalandgasprominenttheory,multianalysisrockcrosscuthasuncoveredthecoalprominentprinciple,includingitsprominentinfluencefactor,hasthecondition,theprominentcoalbodymechanicscharacteristicandthegasmobilerule,tothroughtoparalleclothKongPullsandputsthegasfan-shapedclothKongPullsoutputsthegas,overlappingclothholepullsoutputthegascomparesafterwards,proposedtheevencoaleightoresfifthheavenlystems9-10coalbeduncoverscoalplan-rockcrosscutshorttoleaduncoversthecoalmeasurewhichhole,overlappingclothholePullsoutputs.Thegasandthevibrationfiresagununifies.Andformulated“afourbody”accordingto“PreventingandcontrollingCoalangGasProminentRegulation”toguardagainstsuddenlythemeasureandthecorrelationsecurityprotectionandguardsagainstsuddenlythemeasure.Keywords:Coalandgasprominent;rockcrosscutuncoversthecoal;prominenttheory;shortholetoleaduncoversthecoalmeasure.河南理工大学本科毕业设计3目录1绪论......................................................................................................................11.1前言...........................................................................................................11.2国内外研究现状.......................................................................................21.2.1煤与瓦斯突出机理的研究现状....................................................21.2.2煤与瓦斯突出预测的研究现状....................................................41.2.3石门揭煤工作面突出机理............................................................51.2.4石门揭煤的研究现状....................................................................62试验区概况........................................................................................................102.1矿井概述.................................................................................................102.2试验区概况.............................................................................................112.2.1揭煤地点概况..............................................................................112.2.2瓦斯地质情况..............................................................................122.2.3瓦斯地质分析..............................................................................133揭煤工作面突出危险性预测............................................................................143.1试验区瓦斯地质特.................................................................................143.2前探钻孔.................................................................................................143.3煤层压力测定.........................................................................................163.4石门揭煤工作面突出危险性分析.........................................................174石门揭煤技术方案及参数................................................................................184.1石门揭煤预留岩柱厚度的确定.............................................................184.2石门揭煤防突措施的选定.....................................................................204.3短导硐的施工方案.................................................................................234.4抽放钻孔的布置方式.............................................................................234.4.1抽放钻孔的布置方式的选择......................................................234.4.2交叉钻孔布孔方式......................................................................264.4.3抽放钻孔施工要求......................................................................264.4.4抽放钻孔工艺..............................................................................274.4.5抽放钻孔安全技术措施..............................................................28河南理工大学本科毕业设计44.6揭煤爆破技术方案.................................................................................285安全岩柱和效果检验........................................................................................325.1突防效果检验.........................................................................................325.2预留岩柱厚度的控制.............................................................................335.3炮前的防突措施效果检验.....................................................................336防突系统和安全防护........................................................................................356.1通风系统.................................................................................................356.1.1通风系统与局部通风..................................................................356.1.2反向风门......................................................................................356.2监测监控....................................................................