城市道路横断面规划设计方法及工程应用研究

随现阶段城市经济发展的提速，城市道路和建设范围内硬化面积逐年增加，导致城市透水面缩减，易在多雨季节引发城市内涝等灾害，给城市发展和居民生活带来了诸多问题。为降低城市内涝等问题的发生，在城市道路横断面规划设计过程中，结合海绵城市建设理念，提出对应的设计方法指导工程应用。首先明确了海绵型城市道路的设计目标；分析了各项LID措施在功能、控制目标、经济性、对周边地块的影响和景观效果等方面的特征；阐述了红线宽度在12~15 m、20~28 m、34~40 m、40 m以上道路的横断面设计方法。

Research on Planning and Design Method and Engineering Application of Urban Road Cross Section

With the acceleration of urban economic development at this stage, the hardening area increases year by year in the construction of urban roads, which leads to the reduction of urban permeable surface, is likely to cause the urban waterlogging and other disasters during the rainy season, and will bring many problems to the urban development and residents'' lives. In order to reduce the occurrence of urban waterlogging and other problems, in the process of urban road cross-section planning and design, combined with the construction concept of sponge city, the corresponding design methods are proposed to guide the engineering application. The design goals of the sponge-type urban roads are clarified. The features of various LID measures in terms of function, control goals, economy, impact on surrounding plots, and landscape effects are analyzed. The cross section design methods of the roads with the red line widths of 12~15 m, 20~28 m, 34~40 m and above 40 m are expounded.