液压同步提升技术在大吨位大跨度钢桥安装工程中的拓展与应用

Development and Application of Hydraulic Synchrolifting Technology in Installation Project of Large-tonnage Long-span Steel Bridge

针对嘉闵高架钢桥在现场安装工程中的各种因素及困难,通过实施钢桥水平滑移到位,科学应用液压同步提升现代化施工技术。该项工艺技术安全可靠、方便经济,能实现大吨位、大跨度、大面积、超大超高结构件的整体同步提升,在拓展应用先进技术的同时,总结了在嘉闵高架重点工程中的拓展与应用实例。

Aiming at various factors and difficulties in the field installation of Jiamin Elevated Steel Bridge,the steel bridge is implemented by the horizontal slip to place and is scientifically constructed by the modern hydraulic synchrolifting technology.This technology is safely,reliably, conveniently and economically to realize the integral synchrolifting of the large-tonnage,long-span, large-area and overlarge over-high construal components.At the same time to develop and apply the advanced technology,the article sums up the developing and applying cases in the key project of Jiamin Elevated Bridge.