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1、萬(wàn)方數(shù)據(jù)西南交通大學(xué)碩士研究生學(xué)位論文第1I頁(yè)AbstractTherehavebeenseveralroadbedcollapseincidents，whichmadegreatinfluenceontherunningoftrains，duetothekarstlayerunderlyingthegroundinYi—WAnrailwaysinceitwentintooperationabout4yearsago．Andtherailwaywasblockedaftertwoverysevereincidentshappened．Withtheinvestigatio
2、nbyChinaAcademyofRailwaySciences，itfoundthattherearelargeareasofkarstlayeralongtheYi-Wanrailwaybecauseofthekarstgeomorphology,andtheroadbedwassusceptibletocollapsesubjectedtothevibrationofthetrains．CRHrtmningontheYi—WanrailwayWasproposedagainbytheRailwayCorporationin2013，whichincreasedthe
3、burdenofrailwaysafety．AccordingtotherequirementoftheRailwayCorporation，theWuhanRailwayAdministrationtransformedthisrailwaytomakeitsuitablefortheCRHrtmningonjustafterthe2014SpringFestivaltransportation，andthediseasesmitigationofroadbedinkarstareawasthekeyconstructionproject．Basedontheinves
4、tigationbyChinaAcademyofRailwaySciencesandthedesignreportbytheChinaRailwaySiyuanSurveyandDesignGroupCo．，LTD，theWuhanRailwayAdministrationWorkEquipmentManagementDepartmentdesignedasetofaconstructionorganizationplansfocusingonthediseasesmitigationofroadbedinkarstareawhichprovidesastrongguar
5、anteeforthein-siteconstructionaccordingtotherelevanttechnicalstandardsandsafeconstructionmanagementrequirement．Detailsareasfollows：1．Basedonthepracticalinvestigationandtheoreticalanalysis，thisconstructionorganizationplanfocusedonthediseasesmitigationofroadbedinkarstareaalongtheYi—Wanrailw
6、aybythemeansofcombiningqualitativeanalysisandquantitativecalculation．Assafety,highqualityandhighefficiencywerethebasicgoalsinthedesignprocess，thisconstructionorganizationplancanleoutanoptimumproposalwit}lthecombinationofconstructiontechnology,personnelorganization，constructioncooperationa
7、ndreality．2．Theschemesofwithoutdisruptionofthenmningtrain，doublelinesimultaneousconstructioninsomesectionundertheslow-speedconditionandusinginclineddrillinggroutingtechnologywereproposedbythisconstructionorganizationplan，whichnotonlyensuredthenormaloperationofthetra
