山西省忻台线旧水泥路面加铺沥青层技术经济综合评价

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1、AbstractInchina，thecememconcretepavementchangesfrom”ConstructionPeriod。’to”conservationPeriod”．Alargenumberofcementconcretepavementshaveemergedavarietyofdiseases，duetovariousreasons．Thissituationhasseverelyaffectedtheperformanceofuse．soitiSmuch-neededmaintenanceandtransf

2、ormation．ShanxiprovinceiSabundantincoal．butthephenomenonofoverloadingisverycommon，andtheoverloadingdestroytheroadbadly,SOthesituationisevenmoreserious．Spreadasphaltoverlayonformerconcretepavementismeasureofheavyrepairandrebuildingwhichcouldeffectivelyresumetheusingfuncti

3、onofformerconcretepavement．Comparewithothermeasure，thismeasureiscomprehensiveinShanxiprovince，butthereflectingcracksofoverlaywhichdeveloprapidlyaffecttheusingfunctionandlifetimeofspreadingoverlay．Therefore，inShanxiProvince，itisachallengetofindasetofspreadasphaltoverlayon

4、formerconcretepavementtechnologythattechnicallymeetstheactualrequirementsandeconomicrationality．Thispaperwilltake$311(xinzhou-taihuizhen)highwayasmainstudyobjecttoexpandtechnicalandeconomiccomprehensiveevaluationonspreadasphaltoverlayonhomercementconcretepavement．Thesurv

5、eyonoldcementconcretepavementconditionisanimportantfoundationwork，itprovidethebasisforrepavingprograms．Inthispaper,weconnectionwiththeoldcementpavementdamagecharacteristicsofShanxiprovince，establishedaappliedoldcementconcretepavementevaluationsystemthatincludePavmentSurf

6、aceConditonIndex(PCI)，therateofbrokenplates(DBL)，transmissioncoefficientofjoint，andSOon．ThisarticlealsouseefficacycoefficientmethodtobuildcomprehensiveevaluationIndexofthepavementcondition，andtakeitasavariable，usefuzzymathematicaltheoryestablishedmembershipfunctionofsixd

7、ifferentpreliminaryproposedprogrambasedonpavementconditionscomprehensiveevaluationindex，inordertoprovideguidanceontheapplicationofprograms．ThefiniteelementmethodiSaneffectivemeanstosolvecomplexmechanicalproblems，Inthispaper,weusegeneralfiniteelementsoftwareABAQUS，buildfu

8、llsizethree．dimensionalfiniteelementmodeltosimulatestressresponseofeachprogramundertrafficloadandcoolin