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防止地表水和地下水的侵害是高速公路设计的重要内容之一。由于上海及其周边地区具有独特的地形、地质、水文和气象条件,对高速公路的排水系统设计有一定的约束和特定的要求。本文通过实例介绍,对该地区高速公路的路表排水、路面路基排水、地下排水和立交排水的特点进行分析,旨在确保高速公路排水畅通、结构稳定和行车安全,为今后的工程提供参考。
Prevention of surface water and groundwater infringement is one of the important contents of expressway design. Due to its unique topography, geology, hydrology and weather conditions, Shanghai and its surrounding areas have some constraints and specific requirements on the drainage system design of expressways. This paper analyzes the characteristics of road surface drainage, pavement subgrade drainage, underground drainage and overpass drainage in the expressway in this area through examples. The purpose of this paper is to ensure that the expressway has smooth drainage, structural stability and traffic safety, so as to provide references for future projects.