Analysis of Design and Construction Essentials of Expressway Drainage Pavement

In our country, the expressway is a very key component of the transportation system, and it is also indispensable in people's daily life. The pavement drainage system is an auxiliary project in the expressway, and its construction effect and quality are related to the overall load-bearing capacity and durability of the pavement, which will affect the performance and life of the expressway. In this regard, this time, the influencing factors related to pavement drainage, various sources of pavement moisture and the amount of water discharged are analyzed and researched, and corresponding construction countermeasures are given on the premise of designing pavement drainage.