路基濕度狀況調(diào)查及排水試驗(yàn)研究.pdf

1、長安大學(xué)碩士學(xué)位論文路基濕度狀況調(diào)查及排水試驗(yàn)研究姓名：雒妞麗申請學(xué)位級別：碩士專業(yè)：道路與鐵道工程指導(dǎo)教師：毛雪松201105AbastractSubgradeperformanceconditionisoneoftheveryimportantfactorsthataffectcementconcretepavementserviceperformanceanddamagetypesThecommondiseaseofcementc

2、oncretepavementalecrack，fractureplates，discontinuityofslabs，erosionofsubbasesarcKngandSOonThecauseofcementconcretepavementdiseasealeverycomplex，amongthemthestatusofsubgradestabilityandoutsideenvironmentaleveryimportantre

3、asonsThispaperinvestigationandstudyonsubgradesoilmoistureofcementconcretepavement；takemethodsoffieldsurveyanalysis，indoorexperimentandnumericalsimulation，obtainedthefollowingresearchresults：1Analysedhumiditysourceandinfl

4、uencefactorsofsubgradesoil，basedontheanalysisarrangedcementconcretepavementroaddiseasetypeandsubgradestatusofcompactnessormoisturecontentthroughmethodsofcollectdataandfieldsurveyConclusionthatwaterisakeyfactorofsubgrades

5、tabilityandthesituationofroadbedhavegreatinfluencesonpavememserviceperformanceanddamagetypes2RelyonpracticalengineeringofJiNaroadinHeiLongJiangprovince，testedandanalysisedthevariationoftemperaturefieldandwaterfield，analy

6、sisedtheeffectionoftemperaturefieldonmoisturefieldHoldsthatnegativetemperatureisanimportantfactorthataffectthesubgradesoilmoisturefieldinfrozenregions3Carriedonindoorsoildrainageexperiment，makesurethedrainageperformanceo

7、fpvc—drainage—pipe，andanalysisedtheeffectofpipelengthandloadsondrainageresults4Usedfiniteelementmethods，establishedindoordrainagetestingmodel，verifiedthemodel’SprecisenessBasedonthesmallmodel，establishedmountainbodysoild

8、rainagemodelofcutsubgradeinmountainareaanalysisedtheaffectofdifferentpipelength，inbuiltlocationandtherownumberofpipeondrainageresults，finallyanalysiedifluencesofrainfullintensityandmountaingradientonpipearrangestyleKeywo