快速路立交形态与适用性分析——以南昌市九洲东延快速路为例

Analysis on Form and Applicability of Expressway Interchange for Jiuzhou East Extension Expressway in Nanchang

城市快速路立交是实现交通快速转换的关键,也是快速路规划设计的一大难题。总结快速路互通立交的几种常见形式,通过剖析各立交形式的优缺点,分析其适用范围,总结不同形态立交的适用性。归纳立交规划设计的步骤,探索快速路立交设计的通用方法。最后,以南昌市九洲东延快速路为例进行了分析验证。

Urban expressway interchange is not only the key to realize the rapid traffic conversion, but also a difficult problem in the expressway planning and design. Several common forms of expressway interchange are summarized. By analyzing the advantages and disadvantages of each interchange form, its scope of application is analyzed, and the applicability of different forms of interchange is summarized. The steps of interchange planning and design are concluded, and the general methods of expressway interchange design are explored. Finally, Nanchang Jiuzhou East Extension Expressway is analyzed and verified.