Abstract: In order to solve the problem of flood control in expressway service area, the specific content and application condition of various LID (low impact development) facilities were introduced in the perspective of LID theory, based on the overall idea of sponge-type service area. The principle of selecting LID facilities was proposed, and LID facilities were applied to Weilong service area in Chongqing. Under the rainfall scenario with an annual total runoff control rate of 80%, the storm water management model (SWMM) was used to simulate it. The results show that by installing LID facilities such as permeable pavement, green roof, grass swale and sunken lawn, waterlogging in service area can be alleviated, and the hydrological environment can be closer to the site before development. According to the LID concept, the design requirements for rain and flood control in service area were put forward to ensure the normal operation of expressway service area.

Key words: highway engineering, expressway service area, low impact development, storm water management model

摘要： 为解决高速公路服务区雨洪控制问题，基于海绵型服务区的总体理念，从低影响开发(LID)理论出发介绍各类LID设施的具体内容和适用情况，提出LID设施选择原则，将LID设施运用至重庆围龙服务区，并在年径流总量控制率为80%的降雨情景下，运用暴雨洪水管理模型(SWMM)对其进行模拟。研究表明：通过设置透水铺装、绿色屋顶、植草沟和下凹式绿地等LID设施，可缓解服务区内涝，使水文环境与场地开发前更接近。可根据LID理念提出针对服务区雨洪控制的设计要求，保障服务区正常运营。

关键词: 道路工程, 高速公路服务区, 低影响开发, 暴雨洪水管理模型