預(yù)制拼接連續(xù)剛構(gòu)優(yōu)化設(shè)計(jì)與施工探討.pdf

1、同濟(jì)大學(xué)碩士學(xué)位論文預(yù)制拼接連續(xù)剛構(gòu)優(yōu)化設(shè)計(jì)與施工探討姓名：張國清申請學(xué)位級別：碩士專業(yè)：建筑與土木工程（橋梁）指導(dǎo)教師：李國平劉秀奇20031118雯堡!塑堡至簍型塑垡些堡鹽皇塑三堡墮塑塞AbstractThebridgeinassemblingprecastprestressedcontinuousrigidflame，isanintegrationinstmcnlrewhichisprovidedwitllsecureloadca

2、rryingcapabilityandsimpleshapeBecauseofitsgirderandpierfixlinked，thepierCansharepartofthemainbeamandmoment，atthesametime，undertheroleofverticalload，girderwillproducenegativemomentComparedwithotherbridgescontinuousrigidfl

3、amehasmuchmorespanningabilitywhentheheightofmainbeamhasnochangeThepreeastsplicingprestressedconcretecontinuousrigidframeinuniformsectionisinapositiontealizethemechanizationonconstructionandthesecurityOnproduction，toencha

4、ncetheconstructingqualityandshortentheconstructionperiod，andtoenlargethespanningabilityofexistingstandardgirderItpossessestheadvantagessuchasswiftandsafeconstruction，econornizationonlargeamountoftimberformakingscaffoldin

5、gsandformworks，andSOOnDuringtheconstructingprocess，itwillbehardlydisturbedbythefactoroftraffic，andwillbemuchsuitableforconstructionofOverpassBridgeAdoptingtheprincipleofoptimization，thisimplementsconcernedresearchandanal

6、ysisbytakingthethree—spansbridgeinuniformsectionprecastsplicingcontinuousrigidframeastheresearchingobjectandutilizingthemethodofoptimumdesignofstructures—programastheresearchingmeans，Byresearchtothesinglepiercontinuousri

7、gidframe，thispaperachievesreasonablearrangementtothegirdersection，whichmeanstheresearchforreasonablespecificvaluebetweensidespanandmiddlespan；byanalysisandcontrasttothereasonablegirdersection、SformofhollowslabbeamHshaped

8、boxandslabboxbeam，thispaperbringsthereasonableformofgirdersectionforthemainspaninmediumrange(3050m)，italsoconductstheresearchtotherationalrigidratioofthesinglepiercontinuousrigidflame；Continuousrigidframeisfixedatthelink

9、ofbeamandpierwhosemomentisdistributedbygirderandpieraccordingtotheratioofrigidtyItistherationalratioofrigidtythatmakesthemomentofgirderandpierdistributedreasonablyByimplementingresearchtothesplicingcontinuousrigidflameof

10、Vshapedpier，thepaperraisesthereasonablevalueoftheincludedangle“a’’betweentheVshapedinclinedstrutandthelevelline；Andatitsendthepapermakesconcernedstudiestosomemainmattersintheconstructionofprecastsplicingcontinuousrigidfr