舟山西堠门跨海大桥分体式钢箱梁制造预拼装线形控制技术
The technology of the figure of test assembling when buildingthe steel box of Xihoumen suspension big bridge
西堠门大桥钢加劲梁制造时采用水平预拼装的方法，为了保证梁段的制造竖曲线形，应先根据设计数据模拟计算得到竖曲线形相关参数，在水平预拼装时进行控制、调整，最后检测线形的精度，保证线形的正确性。
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.
horizontal preframe / vertical line figure / calculate / adjust / check
徐亮（1978－），男，北京市人，工程师，主要从事桥梁、钢结构的制造工艺研究
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