宜万铁路岩溶路基病害整治施工组织分析

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1、万方数据西南交通大学硕士研究生学位论文第1I页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