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依据《城市用地分类与规划建设用地标准》,城市规划建设用地结构中道路广场用地占比为8%-15%。在传统的城市建设模式下,城市道路以不透水硬化路面为主,遇到极端雨水天气,主要依靠管渠、泵站等“灰色”设施排除路面雨水,以快速排除和末端集中控制为主要设计理念,往往造成逢雨必涝,旱涝急转。近年来全国多个省市由于遭到高强度暴雨的侵袭,城市道路积水严重,城市居民的正常出行甚至人身安全受到了一定程度影响,城市规划和建设饱受诟病,城市地
According to “Urban Land Use Classification and Planning and Construction Land Standard”, the proportion of land use for road plaza in urban planning and construction land structure is 8% -15%. In the traditional urban construction mode, urban roads are mainly impervious hardened pavements, experiencing extreme rain and weather, mainly rely on pipelines, pump stations, etc. “gray ” facilities to exclude road surface rain to quickly eliminate and end of the centralized control of The main design concept, often resulting in every rain will flood, drought flood rapid change. In recent years, many provinces and cities in China have been criticized for their urban planning and construction due to heavy rainfall, serious urban waterlogging, and the normal travel and even personal safety of urban residents. Urban areas