重载交通长寿命沥青路面结构及材料设计研究

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1、长沙理工大学硕士学位论文重载交通长寿命沥青路面结构及材料设计研究姓名：谭炯申请学位级别：硕士专业：道路与铁道工程指导教师：刘朝晖;谢军20080420Abstractsemi-ri91dmaterialsasphaltpavementisoneofthemainStructurefo册ofourcountrY·Astherapiddevelopmentoftransportation，theeadydamageinasphaltpaVementbecomingmoreandmoreserious，theheavyloadhasbecomeoneof

2、thelmportantfactorsinaffectingroadperformanceandshortentheusefullifeofthepaVement·Illordert0reduceroadmaintenance，toreformOUrcountry-sasphaltpaVementdesignconcepts，andtoincreasethelifeexpectancyoftheroadisanlneVltabletrend．Howtoachieveperpetualpavementsundertheheavyloadtranspo

3、rtationisthedirectionofpavementstructuresandmaterialsstudv．1nstnlctIlralana】ysis，thispaperonthebasisofanalyzedresearchresultsathomeandabroad，proposedthedesignconceptoftheheavyloadtransponationperpetualsemi-ri91dasPhaltpavement；throughtheanalysisofthecharacteristicsofheavv10adt

4、ransportatlonandtheloadschema，proposingthedesignprinciples，thematerialtecnnlcalrequirementsandpavementstructurecombinationappliest0theheavvloadtransportatlonperpetualsemi-rigidasphaltpavement；analyzingtheaffectiontoasphaltpaVementoftheheavyloadbyusingBISARprocedures，andcheckin

5、gmereasonableofthepavementstructurethickness．Jnmatenalresearch’weproposetocarryontheoptimizeddesigntoasphaltpaV锄entbyusingtheSACmaterialdesignmethodandtwo-stagetest,whichproposedbyacademicianSHAQing—lin，andinnovationappliedtoseIlli．蜉dbase。musproposedoptimizationmixratioSCC-25a

6、ndSCC-20；carring0nthec011lprehenslVeroadperfbnnancecontrasttesttothreekindsofasphaItmixture似．70、A一30、船‰odifiedasphalt)，toprovideexperimentalbasisforthe印plicationofthehighViScositybaseasphaltandskeletonisdenseGap—graded．studYfoundthat-basedonthesituationofourcountry，s谢-dgidmatc

7、rialasphaltpavementisstilltheresearchfocus．Roadconstructionandtestingevaluationshowstnatthe叩tlmizationmixratioofsemi-rigidbaseisfeasible；adoptingmeskeletonisdenseGap—gradeQandthehighviscositybaseasphaltA．30，aretwoeffectivemeanstoresolvethecurrentearlydamageinasphaItpavement．Ke

8、ywords：HeaVyloadtransP。rtati。n；PerpetualPavements；BISARproced