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完善的综合排水系统是道路安全高效运营的重要条件之一。山区特殊的地形地质、气象、水文等条件,对山区高速公路排水系统的设计提出了一定的约束和特定的要求,结合山区高速公路的建设特点,探讨山区高速公路综合排水系统设计,并简要介绍高边坡段、填挖结合部、路隧结合部等重要部位的排水设施设计方法。
A well-developed integrated drainage system is one of the important conditions for efficient operation of road safety. Some special topographic, geological, meteorological and hydrological conditions of mountainous area put forward certain constraints and specific requirements on the design of mountain highway drainage system. Combined with the construction characteristics of mountainous expressway, this paper discusses the design of integrated drainage system of mountainous expressway, and briefly introduces High slope section, filling and excavation combination, road and tunnel junction and other important parts of the drainage design.