粉房湾长江大桥正交异性桥面板单元制作及变形控制

Construction Technology(2012)

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Abstract
结合重庆粉房湾长江大桥钢结构工程实例,针对本工程特点与难点,详细介绍了桥面板的制作要点以及变形控制,包括钢板校正、U形肋拼装、焊接变形控制,板块摆放及约束,焊接顺序和方向,焊接校正方法及操作步骤。通过对正交异性桥面板单元制作及变形控制技术的研究,并应用于粉房湾长江大桥钢结构工程中,取得了良好的效果。
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Key words
welding,orthotropic bridge decks,deformation control,bridges,cable stayed bridges
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