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为推动上海港外高桥港区和外高桥保税区的进一步发展,并配合长江西路越江隧道的开通和轨道交通10号线二期工程的建设,须对现状港城路进行改建。老路是否利用,如何结合轨道交通高架新建结构和已有的合流一期污水总管等重要构筑物管线对老路进行改建,并确保道路质量满足港区重载交通的要求,是工程设计中的难点。现从工程背景、项目特点与设计原则、工程总体布置、路基路面结构设计、污水总管保护方案等方面对改建方案进行了详细介绍,有关经验可供相关专业人员参考。
In order to promote the further development of the Shanghai Waigaoqiao Port Area and the Waigaoqiao Free Trade Zone and to cope with the opening of the Yangtze River West Crossing River Tunnel and the second phase of the rail transit Line 10, the status quo of the existing Gangcheng Road must be rebuilt. It is a difficult point in engineering design to reconstruct the old road according to whether the old road is used and how to reconstruct the old road with the new elevated structure of the rail transit and the existing pipeline of important structures such as the first phase of the confluent sewage pipe and ensure the quality of the road to meet the requirements of heavy traffic in the port area. The reconstruction plan is introduced in detail in terms of engineering background, project characteristics and design principles, overall project layout, subgrade and pavement structure design, and sewage main pipe protection scheme. Relevant experiences can be referred to relevant professionals.