特立尼達(dá)湖瀝青(TLA)路用性能研究.pdf

1、沈陽建筑大學(xué)碩士學(xué)位論文特立尼達(dá)湖瀝青（TLA）路用性能研究姓名：王鑫申請學(xué)位級別：碩士專業(yè)：交通土建工程指導(dǎo)教師：才華200901碩士研究生學(xué)位論文AbstractIIIAbstractWiththedevelopmentofeconomyconstructioninChinaindertosolvetherestrictionofbottlenecktonationaleconomycausedbytransptationtheex

2、presswayhasbeenspeedilydevelopedbymeansofincreasingdomesticneedsinfrastructureconstructionwhichgreatlyimprovesthetechnicallevelofChinahighwaywkmakestransptationstructurebetter.Thediseasesofexpresswaypavementsuchasrutcrac

3、kspallingpoantiskidpropertybecomeseriouslycausedbybigtrafficvolmeobviouschannelizedtraffichighspeedoverload.Howtoimproveperfmanceofpavementtomeetneedoftrafficdevelopmentthisisimptanttaskweface.Thereare41000Kmlongexpressw

4、aysinChinanearly90%ofthemmakeuseofbitumenpavement.Itsperfmancedependstolargeextendonthequalityofasphaltmixturepaved.Asphaltmixtureismadeofbitumenaggregatesadditive.Actuallytheperfmanceofaggregatesisrestrictedasusedlocalm

5、aterialssoresearchersfocusonstudyofbitumen.Asthequalityofheavybitumenmadeinchinacan’tmeettheneedofconstructionofhighgradehighwayresearcherspaymeattentiontotechnologyofmodifiedbitumenfexamplemodifiedbitumenmixedwithTLAcan

6、partlyroundlyimproveactersagainsttemperaturesusceptibilityfatiguewaterdamage.MixingTLAwithcommonbitumencanimprovepavementperfmanceofasphaltmixturesuchasincreasingageresistingdynamicstabilitycarryingcapacityinhightemperat

7、ureresistanceoffuelperationimprovingcrackincoldareaheavyloadloweringtemperaturesensitivity.WefurtherknowtheTLAmixtureindexofmixturedesignproductiontransptationqualitycontrolthroughconstructionoftestroad.Atlastweknowitslo

8、nglifecanlowercostofpavementlifeperiodeffectivelybyevaluationofTLAmixtureperfmanceanalysisofitscostbenefitsoitmaybewidelyused.Finallyfurtherresearchplansarebrieflydiscussed.KeyWds:roadengineering；asphaltmixture；experimen