大跨径自锚悬索桥施工工艺研究

Study of Construction Technology of Large-span Self-anchorage Cable Suspension Bridge

该文通过对西河桥施工工艺的研究,介绍了西河桥的工程特点和难点,以及在建设过程中主桥钢箱梁安装、PPWS工法主缆架设施工工艺及施工质量控制、主缆及吊杆张拉与索力调整主梁脱架体系转换桥面线形控制等施工工艺。

Through the study of the construction technology for Xihe Bridge,the article introduces the engineering characteristics and difficulties of Xihe Bridge,and introduces the construction technologies of the steel box beam erection of the main bridge,the main cable erection by PPWS working process and the control of construction quality,the stretching of the main cable and the hanger rod,and the main beam de-frame system regulated by the cable force to changed into the control of the deck alignment in the course of construction.