论文部分内容阅读
南京地铁斜拉桥为独塔单索面预应力混凝土不等小半径曲线斜拉桥,主塔横向设置背索,介绍该桥总体施工方案和主要施工流程,主跨、边跨主梁施工的关键技术,及施工监控成果。小半径曲线斜拉桥结构和受力复杂,在施工过程中必须重视和加强各施工工况阶段的施工监控,及时发现异常现象,主动采取措施,避免温差累积而影响斜拉桥的耐久性和安全性。
Nanjing Metro Cable-stayed Bridge is a single-cable single cable plane prestressed concrete ranging from a small radius curve cable-stayed bridge, the main tower horizontal back cable, the overall construction program and the main construction process of the bridge, the main span, side span of the main girder construction Key technologies, and construction monitoring results. Small radius curve cable-stayed bridge structure and force complex, in the construction process must pay attention to and strengthen the various construction conditions monitoring and timely detection of anomalies, take the initiative to take measures to avoid the temperature difference and affect the durability of cable-stayed bridges and safety.