预览加载中,请您耐心等待几秒...
1/2
2/2

在线预览结束,喜欢就下载吧,查找使用更方便

如果您无法下载资料,请参考说明:

1、部分资料下载需要金币,请确保您的账户上有足够的金币

2、已购买过的文档,再次下载不重复扣费

3、资料包下载后请先用软件解压,在使用对应软件打开

28216工作面掘进机快速掘进工艺研究 Title:ResearchonFastExcavationTechnologyforthe28216WorkingFaceTunnelingMachine Abstract: Therapidexcavationoftunnelshasbecomeasignificantareaofresearchanddevelopmentinvariousindustries,includingminingandconstruction.Thispaperaimstoinvestigatethefastexcavationtechnologyforthe28216workingfacetunnelingmachine.Thestudyexploresvariousfactors,includinggeologicalconditions,machinedesignfeatures,drillingandblastingtechniques,andoperationalparametersthatcontributetoachievingefficientandtime-effectiveexcavation.Thefindingsofthisresearchcanhelpimprovetheperformanceofthe28216workingfacetunnelingmachineandaidinthedevelopmentoffastexcavationtechnologiesforfutureapplicationsinundergroundconstruction. 1.Introduction Tunnelingmachines,alsoknownastunnelborers,playacrucialroleinacceleratingundergroundexcavationprocesses.The28216workingfacetunnelingmachineisacommonlyusedmechanicalexcavatorwithhighreliabilityandefficiency.However,itsexcavationspeedcanbefurtherimprovedbyimplementingfastexcavationtechnologies.Thispaperaimstoexplorethesetechnologiestoenhancetheoverallproductivityofthe28216workingfacetunnelingmachine. 2.GeologicalConditions Geologicalconditionssignificantlyaffectexcavationefficiency.Assessingtherockmassclassification,rockstrength,androckstructureinadvancehelpsoptimizeexcavationprocesses.Conductinggeologicalsurveysandusinggeotechnicaltoolscanprovidevaluableinformationfordeterminingtheappropriatemachineparametersanddrillingandblastingtechniquestoensuresafeandrapidexcavation. 3.MachineDesignFeatures Thedesignofthe28216workingfacetunnelingmachineplaysacrucialroleinitsexcavationperformance.Thedesignfeatures,suchasthecutterhead,shielding,grippers,andpropulsionsystems,needtobeoptimizedtoensureefficientexcavation.Enhancingthecutterheadwithadvancedcuttingtoolsandoptimizingthemachine'spropulsionsystemcansignificantlyimproveexcavationspeed. 4.DrillingandBlastingTechniques Theselectionofdrillingandblastingtechniquesiscrucialforthefastexcavationofthe28216workingfacet