城市道路保水降温路面材料的开发与研究

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1、重庆交通大学硕士学位论文城市道路保水降温路面材料的开发与研究姓名：郑晓卫申请学位级别：硕士专业：材料学指导教师：凌天清20090401ABSTRACTWater-cooledsemi．flexiblepavement，asanewroadstructure，whichisformedbypouringwater-conservingmortarswithspecialgradationintothelargegapmatrix．asphalt．mixture(voidageisupto20％一28％)．Water-cooledsemi

2、·flexiblepavementhasbeencardedoutresearchandappliedoverseas，butinourcountry，thereislittleresearchinsuchfield．Water-cooledsemi—flexiblepavementismoreflexiblethanconcreteandrigidthanasphaltconcrete．Itnotonlyhastheadvantagesofasphaltpavementandcementroad，butalsoshieldfromt

3、hedisadvantages．Beingusedinurbanpavementconstruction,Water-cooledsemi．flexiblepavementwiththefeatureofcoolinghasafunctionofreducethermalislandeffect．Therefore，developmentandstudyonapplicationhavepracticalsignificanceanddevelopmentprospects·Onthebasisofreferencingtherese

4、archesathomeandabroad，thispaperfirstlymakessurethatWaterRetainingAgentshouldsatisfytwoindexeswaterabsorptionandporosity．AccordingtothefourkindsofwaterretainingagentABCD，Itcarriesoutmortarmixingratiotest，andmainlyresearchesonwaterretainingmortarmixingratiotoascertainceme

5、ntmortarmixingratiowhichCanmeettherequestofmechanicalpropertiesfluidity，water-conservingratio；andexploresmatrix—asphalt—mixtureratio·Thenitprobesintothedesignofasphaltmixturematrix’Smixproportiontorecommendmatrixasphaltmixture’SgradationisSFAC一13．ItprovesthatWater-coole

6、dsemi．flexiblepavementshowsgoodpavementperformance(suchashigh_temperaturesTab．ility，watersTab．ility，low．temperaturecrackresistanceandSOon)throughindoortest，theoryanalysis，andcomparingwithgeneralAC一13asphaltconcrete．Itcarriesouttestsonwaterretentioncapacityandtemperature

7、reducingperformancetodeterminewaterretentionpavement’Swaterretentioncapacityindexin24handitstemperaturereducingperformanceindexin8hafterwateringbyusingwheeltrackingplatestosimulatetheactualpavement，throughreferencingthesemi-flexiblepavementconstructioncases。itputsforwar

8、dasystemofwater-cooledsemi—flexiblepavementconstructionmethods，constructionmachineryandqualitycontrolstandards