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本文对上海市三座大型立交:内环线罗山路立交、共和新路立交和城市外环线莘庄立交作了交通分析,内容包括交通量预测和交通量流向分析。由此得出各路口交通流特点。据此在满足交通功能,符合道路的性质、布局、地形条件等前提下进行设计选型。并以经济适用、安全、美观为原则,对三桥进行结构选型,三座立交的结构造型充分体现了美学观点,富有现代化的气势。
In this paper, traffic analysis is made on three large-scale interchanges in Shanghai, namely, Luohu Road Interchange of Inner Ring Road, Interchange of Gonghe New Road and Xinzhuang Interchange of the city outer ring, including traffic volume forecast and traffic flow analysis. From the intersection of traffic flow characteristics. According to this, we can meet the transportation function, conform to the nature of the road, layout, topography and other conditions under the premise of design selection. And economic fit, safety, beauty as the principle, the structure selection of the bridge, the structural style of the three interchange fully reflects the aesthetic point of view, full of modern momentum.