悬臂浇筑法在大跨预应力混凝土连续梁桥施工中的应用

Application of Cantilever Casting Method in Construction of Large-span Prestressed Concrete Continuous Girder Bridge

文章以大跨预应力混凝土连续梁桥项目为例,分析施工中悬臂浇筑法的技术优点,并针对具体施工中的技术控制要点,优化大跨预应力混凝土连续梁桥中应用悬臂浇筑法施工的决策,确保提升梁桥施工质量。应用结果表明,基于悬臂浇筑法施工建设大跨预应力混凝土连续梁,能够提升梁桥施工质量,也可以保证梁桥施工安全,发挥积极应用效益。

With large-span prestressed concrete continuous girder bridge project as the example, this article analyzed the technical advantages of cantilever casting method in the construction, then re- garding the technology control key-points in detailed construction, it optimized the decision for the application of cantilever casting method in large-span prestressed concrete continuous girder bridge construction, and ensured the improvement of girder bridge construction quality.The application results showed that the construction of large-span prestressed concrete continuous girder based on cantilever casting method can improve the construction quality of girder bridge and ensure the safety of girder bridge construction,which can play a positive application benefit.