论文浅谈悬臂浇筑法施工工艺及要点

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1、南京交通职业技术学院毕业论文论文题目：浅谈悬臂浇筑法施工工艺及要点院系：路桥与港航工程学院专业名称：高等级公路维护与管理班级：学号：31姓名：指导教师：完成时间：年月日25南京交通职业技术学院目录第一章前言1.1背景和意义···················································41.2悬臂浇筑所要解决的问题和采用的相关理论与方法··············4第二章悬臂浇筑法施工工艺流程及要点2.10#-1#块施工···············································52.2挂篮施工

2、·················································102.3块件的高程控制···········································122.4块钢筋与预应力管道·······································122.5块件的施工···············································132.6边跨现浇段施工···········································1425南京交通职业技术学院2.7

3、预应力施工···············································152.8边跨及中跨块件合拢段施工·································17总结··························································21致谢·······················································22参考文献···················································2325南京

4、交通职业技术学院摘要悬臂施工法也称为分段施工法。悬臂施工法是以桥墩为中心向两岸对称的、逐节悬臂接长的施工方法。预应力混凝土桥梁采用悬臂浇筑施工法是从钢桥悬臂拼装发展而来。悬臂施工法是最早主要用于修建预应力型钢构桥，后来被推广用于预应力混凝土悬臂桥梁、连续梁桥、斜腿钢构桥、拱桥及斜拉桥等。本文着重就预应力钢筋混凝土连续梁桥在采用悬臂浇筑时在悬臂施工的程序、墩梁临时固结和措施、施工过程中变形的控制、合拢段的施工等方面浅谈一下自己在实践中的体会和应注意解决的问题。关键词：悬臂浇筑工艺流程高程控制合拢SummaryCantileverconstructionmethod,a

5、lsoknowassegmentalmethod.Cantileverconstructionmethodisbasedonbothsidesofthepierasthecenterorsymmetry,thelongsectionbysectioncantileverconstructionmethod.Prestressedconstructionmethod.Prestressedconcretebridgecantileverconstructionmethodispouringfromtthesteelcantileverassemblyevolved.C

6、antileverconstructionmethodisthefirsttypeismainlyusedfortheconstructionofprestressedsteelbridge,andlaterwasextendedforprestressedconcretecantileverbridgegirderbridge.Thisarticlefocusesonaspectsofprestressedconcretecontinuousbeambridgecantileverpouringinduringcantileverconstructionprogr

7、ampierandbeamtemporaryconstructiondeformationcontrol,constructiondeformationcontrol,construction,etc.Talkingaboutyourselfclosuresegmentinpracticeexperienceandshouldbetakentosolvetheproblem.Keyword:cantilevercastingprocesscontrolelevationclose25南京交通职业技术学院第一章前言1.1背景和意义自60年代出现了悬臂浇筑施工方法以