鋼管混凝土拱橋施工過程力學特性分析與優(yōu)化.pdf

1、浙江大學碩士學位論文鋼管混凝土拱橋施工過程力學特性分析與優(yōu)化姓名：范偉霞申請學位級別：碩士專業(yè)：市政工程指導教師：俞亞南20060501Abs訂act浙江大學碩士學位論文20065AbstractInordertostudyactual時ofConcrete一矗lledsteelTubulararch嘶dgeandttlequestions，basedonmeeng曲eeringof‘‘JIUJIUBRIDGEnqHUZHOUCITY”

2、sⅡ1lctllreaIlalysisduringtheconstrIlctionprocedllre，constn】ctionofpresn_essoncollarbeama11dc伽troloftensioninsuspenderandconnolofmeconstructionforConcrete鋤ledStcelTubulararch晰dgehavebeenstudiedintllispaperFirst，Pl柚emodelo

3、fConcrete一61ledSteelTubulafarchbridge啪ssetupbyfiniteelementanalysissofhvareforbridgestructm_etoaIlalyzestructm℃d11ringthecons仃uctionpmcedurcBasedonmestructure’sa11alysisoftheconstlllction，thedevelopmentofstressa11ddispla

4、cememduringconstructionwaspredictedtoproVidedirectionfbractIlalconstructionSecond，theef傳ctofpre—s訂essoncollarbe啪wasstndiedBaseontllestudy，cons廿uctionprocedureofthep∞stressoncollarbeamwasoptimiZed，andhetargetofoptimizatio

5、naimedatminimizing血emaxim眥s信essdlmngconstnlctionThird，themodelofoptimizationforsuspenders’tension如Concrete—fillcdSteelTubular盯chbridgew嬲setupSuspenders’tensioninnnishedstatea11dd證ngmeconstmctionwasoptimizedbyLeastBendEne

6、rgyTheoreticAndt11ep印er鋤alyzcdstmcturepe由ⅡnallceofC0ncrete—filledsteelTubmararch撕dgewhensuspenderS’tensionwasoptimizedFinally’accordingtot圭1eideaoftllecon蛐nlctionmechanics，nlepaperalsesearchedontIlecourseofstretchingsusp

7、enderofConcrete—filledSteelTubulararchbridgeConsideringaboutinterrelationshipinmestretchingsuspendersaIldsuppon’sselfdemountable，ttlesuspenders’initialtensionincoIlfseofthe丘rsttimestretchingpmcedureandadjusmlentwascomput