资源描述：
《西班牙Riosa–Olloniego煤矿瓦斯预防和治理-外文文献翻译》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。
1、原文Controlandpreventionofgasoutburstsincoalmines,Riosa–Olloniegocoalfield,SpainMaríaB.DíazAguadoC.GonzálezNiciezaAbstractUndergroundcoalmineshavealwayshadtocontrolthepresenceofdifferentgasesintheminingenvironment.Amongthesegases,methaneisthemostimportantone,sinceitisinherenttocoal.Despiteof
2、thetechnicaldevelopmentsinrecentdecades,methanehazardshavenotyetbeenfullyavoided.Thisispartlyduetotheincreasingdepthsofmodernmines,wheremethaneemissionsarehigher,andalsotoothermining-relatedcircumstances,suchastheincreaseinproductionratesanditsconsequences:difficultiesincontrollingtheincre
3、asingmethanelevels,increasingmechanization,theuseofexplosivesandnotpayingcloseattentiontomethanecontrolsystems.Themainpurposesofthispaperaretoestablishsitemeasurementsusingsomecriticalparametersthatarenotpartofthestandardmining-controlmethodsforriskassessmentandtoanalyzethegasbehaviorofsub
4、verticalcoalseamsindeepminesinordertopreventgasincidentsfromoccurring.Theultimategoalistheimprovementinminingconditionsandthereforeinsafetyconditions.Forthispurpose,twodifferentmineswereinstrumentedforminecontrolandmonitoring.BothminesbelongtotheRiosa–Olloniegocoalfield,intheAsturiasCentra
5、lBasin,Spainandtheareasinstrumentedareminedviasubhorizontalsublevelsatanactualdepthofaround1000mundertheoverburdenofMountLusorio.Duringthisresearch,apropertyfavoringgasoutburstswassitemeasuredforthefirsttimeinanoutburst-pronecoal(8thCoalbed),gaspressureanditsvariations,whichcontributedtoco
6、mpletethedataavailablefrompreviouscharacterizationsandtosetsomeguidelinesforassessingthepotentialoutburst-proneareas.Agas-measurement-tubesethasbeendesignedformeasuringgaspressureaswellasitsvariationovertimeasaresultofnearbyworkingsandtocalculatepermeability.Thepaperestablishestheeffectofo
7、verlappingofworks,butitalsoshowstheefficacyoftwopreventivemeasurestobeapplied:highpressurewaterinfusionandtheexploitationofaprotectivecoalseam(7thCoalbed),thatmustbeminedpreferablytwocompletesublevelsbeforecommencingtheadvanceintheoutburst-pronecoalbed.Bothmea
