本文对公路桥梁改建施工技术进行研究,在桥梁施工技术方面,分别从旧桥拆除施工工艺、下部结构施工工艺和上部结构施工工艺三方面进行了论述,对桥梁改扩建施工的质量进行全程控制,确保最终桥梁改扩建目标的实现。 In this paper, the reconstruction of highway bridge construction technology, the bridge construction technology, respectively, from the old bridge demolition of construction technology, the substructure of the construction process and the superstructure of the three aspects of the construction process are discussed, the quality of the bridge expansion and construction of the whole process of control, To ensure the realization of the ultimate goal of bridge reconstruction.