预应力混凝土连续梁桥悬臂现浇施工关键技术研究

Research on Key Technology for Cantilever Cast-in-place Construction of Prestressed Concrete Continuous Beam Bridge

为提升桥梁施工水平,文章分析了预应力混凝土连续梁桥的受力特点和结构形式,介绍了悬臂浇筑法的施工工艺等,并以某连续箱梁桥为研究对象,从临时固结、挂篮施工、梁体合龙、施工监控等方面探讨了连续箱梁桥悬臂浇筑的施工要点,旨在为连续梁桥施工提供参考。

In order to improve the level of bridge construction,this paper analyzes the stress characteristics and structural form of prestressed concrete continuous beam bridge,and introduces the construction technology of cantilever pouring method.Taking a continuous box beam bridge as the research object,it discusses the construction points of cantilever pouring of continuous box beam bridge from the aspects of temporary consolidation,hanging basket construction,beam closure and construction monitoring,aiming to provide reference for the construction of continuous beam bridge.