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《長壽命瀝青混合料加鋪層分析與抗疲勞層研究》由會員上傳分享，免費(fèi)在線閱讀，更多相關(guān)內(nèi)容在學(xué)術(shù)論文-天天文庫。
1、東南大學(xué)碩士學(xué)位論文長壽命瀝青混合料加鋪層分析與抗疲勞層研究姓名：毛志軼申請學(xué)位級別：碩士專業(yè)：道路與鐵道工程指導(dǎo)教師：黃曉明20070607AbstractInrecentyears，somehighwayshavearrivedtotheirdesignlife，manypavementofthemneededreconstructed．Tosavethemaintenancecostofpavementafterreconstnlcte也thepavementdesignlifeshouldbeprolonged，a
2、ndtheserviceperformanceshouldbekeptwellforlongtime．Sothathowtoprolongthepavementdesignlifeasallurgentproblemmustbesettled．Theresearchbyforeignersshowsthatpavementserviceperformancecouldbelastedforlongtimewithoutstructuralmaintenancewhenperpetualpavementispaved．Ref
3、erredtotheresearchresultsofperpetualpavementinforeigncountries，combinedwithasphaltpavementoverlay,theperpetualpavementoverlayhasbeenanalyzedandthefatigue-resistlayerhasbeenresearched．Firstly,sometypicalstructuresofperpetualpavementhavebeenmodeledwi血ABAQUSfiniteele
4、mentanalysis．Theinfluenceofstressinoverlaysthatcausedbyoriginalasphaltpavementwhichservedasbaseorsubbaseinoverlayshasbeenanalyzed．Somemethodtodealwiththedifferentdiseaseinoriginalasphaltpavementhasbeenadvisedwhenpavingperpetualpavement．Thcimprovedstructureofoverla
5、ywhichimprovedbasedontherequestofconstructionhasbeenanalyzedthroughcalculatingstress，andtheapplicabilitythataddingdifferentkindsofbaseWasreceived．Seeondly，thedesignindexofasphaltpavementwhichusedin0111"countryandinforeignhavebeeninvestigated．Throughanalyzing．compa
6、ringandcombiningwitIItheperformancerequestofperpetualpavementandthecharacterofoverlays，thetensilestrainontheboRomofoverlaywasadoptedasdesignindexofperpetualpavementoverlaydesign．Thirdly,thedesignparameterofperpetualpavementoverlaydesignhasbeenresearched．Referredto
7、perpetualpavementresearchinginforeign，fatiguelimitWasadoptedasdesigncriteriontohightracfficroad．a(chǎn)ndfatigueequationtolowtrafficroad．ThefatigueequationusediIlfbrei艫wasconversed，whichWasthesanlewiththematerialandloadparameterinourcountry．Thefactorthatinfluenceddesign
8、indexhasbeenanalyzedbyusingorthogonalanalyticalmethod，andthebasicrequestofconstructiondesignWasreceived．Atthes,mnetime，thegradeoftrafficwhichusedinperpe
