Nanxi River Bridge on Zhejiang Hangzhou-Wenzhou High-Speed Railway

        Nanxi River Bridge is a control project of the Hangzhou-Wenzhou High-Speed Railway, with a total length of 1787.72 meters and a main bridge length of 481.6 meters. The main bridge adopts a double-pylon double-cable-plane concrete cable-stayed bridge structure, with 60 pairs of stay cables arranged symmetrically. The main cable-stayed bridge of the Nanxi River Extra Large Bridge spans the Nanxi River, with many process conversions, high quality requirements, many influencing factors, and tight construction time. It is a key project for the construction period of this section and a key and difficult project of the entire line.