The technology of the figure of test assembling when buildingthe steel box of Xihoumen suspension big bridge

2010, Volume 12, Issue 7

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Strategic Study of CAE >> 2010, Volume 12, Issue 7

The technology of the figure of test assembling when buildingthe steel box of Xihoumen suspension big bridge

1. China Railway Baoji Group Co. Ltd.，Baoji, Shaanxi 721006, China;

2. Zhejiang Provincial Construction Headquarters of Zhoushan Islands Link Project, Zhoushan, Zhejiang 316000, China

Funding project：国家“十一五”科技支撑计划项目“跨海特大跨径钢箱梁悬索桥关键技术研究及工程示范”（2008BAG07B00）之课题四“特大跨径悬索桥分体式钢箱梁成套技术研究与示范”（2008BAG07B04-2） Received: 2010-05-05 Available online: 2010-07-16 15:44:52.000

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Abstract

Horizontal preframe method was adopted when steel stiffening girders of Xihoumen Bridge were fabricated, i.e. the steel box girders were pre-assembled in horizontal direction. To insure the vertical line figure of girder segments is right, relevant parameters should be calculated and stimulated first according to design data, then every part of the steel box should be adjusted in preframe process, and finally the linear accuracy should be checked.

Keywords

horizontal preframe ; vertical line figure ; calculate ; adjust ; check

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