資源描述：
《大跨徑無背索鋼-混疊合梁斜塔斜拉橋橋面鋪裝受力特性研究》由會員上傳分享，免費在線閱讀，更多相關內容在學術論文-天天文庫。
1、學校代號：10536學號；03054008密級：長沙理工大學碩士學位論文Y5175781大跨徑無背索鋼一混疊合梁斜塔斜拉橋橋面鋪裝受力特性研究學位申請人姓名韭措至導師姓名及職稱童盛壟整毽型d!蘧副塾毽培養(yǎng)單位籃進堡工盔生專業(yè)名稱．拯狴皇睦重王猩論文提交日期2QQi生!旦論文答辯B期2QQ§生5目目答辯委員會主席至箜獫ABSTRACTInChina,thedamagetothedeckpavementoflong-spanbridgehasbecomeamoreandmoreseriousproblem．EventhouI曲thepave
2、mentiswellconstructed，thereexistalotofdestructions．whichaffectthetrafficsafetyandbridgedurability,wimtheinfluencesofnaturalenvironmentandtrafficloadsHowever,duringbridged∞ignandcurrentrelatedcode,itisstillpayinsufficientattentiontothesystemanalysisofpavementstresschamcIe
3、ristic,becausethecun'entrelatedtheoryresearchesalladopttheapproximatemodelofcircleorrectangleuniformload．Basedonthementionedabove，theissueofbfidgedeckpavementhasbecomeakeyengineeringtechnologyintheconstructionoflong-spanbridge．Thisdissertation,whichprovidestherationalefo
4、rpavementdesignandfurtherresearchonthepavementdestructionmechanics，mainlymakesastudyofthestresslawofdeckpavementinMeehanies．Ithasgreatimportanttheoreticalmeaningandappliedvalue．Thisdissertationanalyzesthepavementstresscharaaeristicoflong·spaninclinedtowercable-stayedbrid
5、geofsteel-concretecompositeboxgirderwithoutbackstay,usinganalytichierarchyprocess(AHP)fi-omwholetopartItsummarizesthemaindestructiontypeofthedeckpavementandintroducesthetensilesmmgthindexofpavementandtheinter-layershearmengthindexbetweenpavementanddeckslab．Usingfiniteele
6、menttheoryofcontactstressanalysisandfiniteelementmodelwhichisestablishedbyfiniteelementsoftwareANSYSandiscontactedbythefrontandbackcarwheel，thevalueofcontactStresSandregularitiesofdistributioncanbegained．Withthebendingmomentofthegirderasguidepostsofthepavementdestruction
7、，themostunfavorableplace，whilecarsloadsalongthebridgemachinedirectionanditscorrespondingboundarycondition，isgotbycarryingonstressanalysisof2Dwholebridgetothelong-spancable-stayedbridge，Byestablishingthefiniteelementmodelofgirdersegmentof3Dpart，itdoesfinepartanalysistothe
8、pavementstresscharacteristic．111emostunfavorableplaceofloadofpavementStresscanbeconfirmedanditsstateofs
