在道路桥梁的施工中,它的每一个细节都决定了这个工程的好坏。桥梁建筑属于国家重要的基础建设,桥梁工程是关系到社会经济发展的重要工程,桥梁的发展关系到交通事业的发展。现在车辆越来越多,重型汽车的载重量也越来越大,这些都严重威胁着桥梁的使用安全和使用寿命。本文主要对混凝土桥梁的耐久性结构进行了探讨。 In the construction of roads and bridges, every detail of it determines the quality of the project. Bridge construction is an important national infrastructure, bridge engineering is an important project related to social and economic development, the development of bridges related to the development of transport. Now more and more vehicles, heavy vehicles carrying more and more weight, which are a serious threat to the safety of the bridge and life. This article mainly discusses the durability structure of concrete bridges.