论城市道路互通式立交改扩建设计

Discussion on the design of reconstruction and extension of the interchange on urban road

针对城市互通式立交(改扩建)设计和建设中存在的不足之处,从互通的功能确定、方案设计和比较、线型设计、环境影响等方面进行分析,阐述设计的重点和难点,提出解决问题的方法,并以列举了成功的实例说明。

According to the deficiency existing in design and construction of urban interchange reconstruction and extension, this paper analyzes the function determination, schemes design and comparison, geometric design, environmental effects of the interchange, presents the focal points and difficult points of design, puts forward the methods of solving the problems, and enumerates successful examples.