以南沙河沿岸道路改造工程为背景，为解决南沙河沿岸道路与解放南路节点的交通组织，以及满足南沙河快速化改造的要求，提出了分离式立交下穿通道方案，并对节点、道路纵横断面、下穿通道、人非系统、护栏等设计方法作了阐述，可为类似工程的设计提供参考。%Based on the road reconstruction along Nansha river in Taiyuan,the paper points out the separate-type interchange undercrossing scheme to solve the traffic organization at roads along Nansha river and the node of Jiefang south road and meet the demands for the accelerated re-construction along Nansha river,and illustrates the design methods for the vertical and horizontal section at node roads,undercrossing channel, pedestrian and non-motor vehicle system,and guard bars,so as to provide some reference for similar projects.
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