预应力混凝土连续梁桥施工控制技术研究

Research on Construction Control Technology of Prestressed Concrete Continuous Beam Bridge

为了保证预应力混凝土连续梁桥施工水平,文章总结了其受力特点及悬臂浇筑施工技术流程,利用有限元软件Midas/Civi对连续梁桥的悬臂施工进行仿真模拟,计算了桥梁在施工阶段的应力变化规律。同时,探讨了连续梁桥的施工控制内容、应力和变形测点的布置方法等,研究成果可为预应力混凝土连续梁桥的施工提供理论指导。

In order to ensure the construction level of prestressed concrete continuous beam bridge,the stress characteristics and cantilever pouring construction technology process are summarized.The finite element software Midas/Civi is used to simulate the cantilever construction of the continuous beam bridge,and the stress variation law of the bridge in the construction stage is calculated.At the same time,the construction control content,stress and deformation measuring point arrangement method of continuous beam bridge are discussed.The research results can provide theoretical guidance for the construction of prestressed concrete continuous beam bridge.