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ID:33071959
大小:4.42 MB
页数:87页
时间:2019-02-19
《钢箱系杆拱桥施工过程仿真分析与梁拱结合部位应力分析》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、西南交通大学硕士研究生学位论文第1I页AbstractBasedonatheoreticalstudyandsimulationanalysisofafour-lanethroughsteelboxtied-archbridgeofShanghai·Beijinghigh-speedra【ilwaMandcombiningcloselywithconstructionpractice,simulationanalysisoftheconstructionofthesteelboxtied·archbridge
2、hasbeenaccomplishedinthispaper.Thefocusoftheresearchandthemainachievementsobtainedareasfollows:1、ThesimulationanalysisofthewholeprocessofthetrestleconstructionmethodaccordingtOthedesigndocumentsandtheactualsituationoftheconstructionfieldhasbeengiveneffectiv
3、eguidancetOtheconstructioninfield.Basedontheanalysisofthemechanicsbehavioroftheerectionprocess,someproposalsandmeasuresaboutthecriticalstagesoftheconstructioncontrolarepresented.2、Achievementsofsystemengineeringandcontroltheoryinlarge·scalebridgeconstructio
4、narefullyemployedinordertOmakingacomprehensiveanalysisandcomparisonbetweenmeasuredvaluesandtheoreticalresultsofstressandgeometricshape,whichlayafoundationforafurtherresearchOHthekeyconstructiontechnologyoftherailwaysteelboxtied-archbridge.3、Combinedwiththet
5、heoreticalsimulationanalysis,themonitoringdataoftheentirealignmentandstressaswellastheresultsoftheaccuracyanalysis,someresearchandsummarizeontrestleconstructiontechnologyforthefour-lanethroughsteelboxtied·archbridgearepresented.4、AresearchOntheoreticalsimul
6、ationandcontroltechnologyisappliedtOthespecialanddifficultcriticaltechnologyduringconstruction,includinginternalfocusofbars,linearadjustmentmethodsandtechnologies,reasonablemeasuresoftheremovalofflamesforconstructionofthethroughsteelboxtied-archbridgeandthe
7、temperatureeffectoftheprocessoflayingfour-track.5、Thestressanalysisofthejointsiteofbeamandarchisproposed,themechanicalbehavioroftheplatestructureatthearchfootunderthemostunfavorableloadcombinationisstudiedtoprovideevidenceforthedesignofthearchfootofthesteel
8、—archcompositestructureinthefuture.TheresultsinthisPaperCanprovideareferenceforthehigh·speedrailwaybridge、析ttlsimilarconstructionmethodandthelayingmethodoftheslabtrackofbridges.Keywords:steelboxtied-ar
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