【摘要】 介绍了汕头■石大桥钢箱梁结构的特点和在制造中采用了U形肋对接、U形肋焊接边缘精密切割、U形肋角焊缝船形焊、锚管与外腹板焊接、钢梁段上盖板单面焊双面成形焊接及钢梁段采用大形翻身工装平位施焊技术，提出了控制焊接变形的措施，收到了较好的效果。更多还原

【Abstract】 According to the feature of steel boxbeams of shantou-Queshi highway bridge a number of new technologies have been used in production,sach as U - rib’s butt, precise Cutting of U-rib Weld edge,fillet welding in the flat position of U-rib,welding of anchor pipe and web,decking section welded by one side with back frmation,flat position welding of boxbeam section by fixlure etc.The measure of welding deformation control is determined and welding is successfully carried out.更多还原