Discussion on the construction technology of waterproofing roadbed on road and bridge construction

At present, with the policy support of the state in the coordinated development of the region, the modernization of the city is vigorously promoted and the level of the national urbanization is promoted rapidly and continuously. As a project of urban infrastructure construction, road and bridge plays a vital role in the construction of the whole urban road network system. Throughout the construction process of every subsystem of road and bridge, the main influence on the later period of road and bridge is waterproof pavement. The level of construction of waterproof subgrade is closely related to the construction quality and construction level of the entire project. The two are coordinated and mutually unified, and how to further improve the waterproof road surface construction technology, construction technology and construction quality, has become a major research topic for each road and bridge construction company[1]. From the technical point of view, the paper actively excavates potential security hidden dangers and threats hidden in the construction of road and bridge, and makes a comprehensive analysis of some of the most prominent problems, and explores an effective way to effectively solve the problem.