連續(xù)箱梁橋新舊結(jié)構(gòu)縱縫連接研究.pdf

1、華南理工大學(xué)碩士學(xué)位論文連續(xù)箱梁橋新舊結(jié)構(gòu)縱縫連接研究姓名：宋神友申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：建筑與土木工程指導(dǎo)教師：黃培彥李江山20030501華南理工大學(xué)工程碩士學(xué)位論文ABSTRACTWiththerapiddevelopmentofnationaleconomyandthefasterincreaseoftrafficflow，manyhigh—gradehighwaysareinprocessofextensionoronthep

2、ointofexpansionIntheextensionengineeringofhighway，theconnectionbetweenthenewandoldstructuresinhighwayextensionmustbewellregardedFurthermore，thetrafficvolumeonthehighspeeddevelopmentareaisverylargeSotheextensionworksareus

3、uallyoperatedwithoutblocktotraffic，consideringthesocialimpactandotherregardsNowadays，howtojointthenewandoldbridgesinhighwayextensionbyeconomical，quick，dependableandeffectivemethodsisasignificanttopicincivilengineeringThe

4、SUbjectinvestigatedinthispaperistheconnectionbetweenthenewandoldstructuresofcontinuousboxbeambridgeinfreewayextensionWithfiniteelementmethod(FEM)andtheresearchestomaterialsandconstructionorganization，theavailableconnecti

5、onmodesbetweennewandoldstructureswithopent0trafficarediscussedFirstlytheFEMmodelsofthelongitudinalseanlconnectionbetweennewandoldstructuresarcestablishedThenthefeasibilityanalysestoseveralpossiblemodesofthelongitudinaljo

6、intarecarriedthroughThesemodesincludethestiffconnectionofthemonolithicstructure。thestiffconnectionofthebridgedeckslab，thehingedconnectionofthebridgedeckslabandnoconnectionbetweenthenewandoldstructuresSeveralpointsofviewi

7、ncludingstructuraldurability，constructionalmaneuverability，costofbuilding，theinfluenceoftimetOtrafficvolume，etcareutilizedtOtheargumentationandalternativedesigntoabove—mentionedconnectionmodesInthedesigntothelongitudinal

8、seamofthemainbridgeintheHuzhouBridgeonGuangzhouFoshanfreeway，thehingedconnectionmodeischosenultimatelyBasedontheresearchandapplicationofthenewmaterialsandanappropriatetrafficmanagementaimingatthefeaturesoftheamountoftraf