水泥穩(wěn)定粒料基層路用性能試驗(yàn)研究及溫度應(yīng)力有限元分析.pdf

1、重慶交通學(xué)院碩士學(xué)位論文水泥穩(wěn)定粒料基層路用性能試驗(yàn)研究及溫度應(yīng)力有限元分析姓名：李文廣申請學(xué)位級別：碩士專業(yè)：道路與鐵道工程指導(dǎo)教師：何兆益20050404ABSTRACTHowtoovercomethedisadvantageofcementstabilizedgranularmaterialsandhowtopreventitfromcrackingaspossibleandhowtominimizetheinfluenceona

2、sphaltsurfacingofbasecrackaimingatminimizingcrackingofsemirigidbaseandasphaltsurfacingTheseproblemshasbeenconcernedforalongtimeFactorsthatinfluencingthesirengthandshrinkagepropertiesofcementstabilizedgranularmaterialsare

3、complicatedThisthesis，basedonwesterntechnologyprojectofMinistryofCommunications“researchoftechnologyofdesignandconstructionofasphaltpavementinloessalsoilregions”(projectNo200131822370)，composesuchfactorsasaggregategradat

4、ion，cementcontentandcurmgagetoanalysetheinfluenceOilstrength，rigidityandshrinkagepropertiesofthosefactorsbysystematicalandoverallindoortestsOnthebasisofit，thermalstressofthreemodels：un—crackingbasewithoutmiddlecourse，cra

5、ckingbasewithoutmiddlecourse，crackingbasewithmiddlecoupeiscalculatedandanalysedwithfiniteelementsoftwareWithindoorexperiments，thisthesispointsoutthatpropertiesofcementstabilizedgranularmaterialsofdenseframetextureareimpr

6、ovedCementstabilizedgranularmaterialsofthistexturecallmeetthedemandforhighstrengthbasecourseandhasgoodanticrackingperformance，ItisproposedinpracticalmanufactureWithcalculationandanalysis，Thisthesispointsoutthatimprovingp

7、ropertiesofbaseCannotonlydecreasethermalstressofitselfbutalSOdelayordecreasecrackoftheentirepavementstructureMiddlecourseCangreatlydecreasetheinfluenceonas；phairsurfacingofbasecrackSAMIoflowmodulusorFiberglassofhi曲modulu