With the progress in the bridge design and construction technology, thin-walled box girders are used more and more in modern bridges because of their merits such as good appearance in shape, largely structural stiffness and good use in different case.

• 随着桥梁设计和施工技术的进步，薄壁箱梁由于具备整体外观好、结构刚度大、适应范围广的优点，在现代桥梁中得到越来越多的应用。