The weld defects of incomplete fusion and burn through always occur when the electro-slag welding is used between the outside thin metal plate and the inner clapboard in a box-section member.
箱形截面构件薄壁板与内隔板电渣焊接时，易产生壁板烧穿和焊缝未熔合现象。
It was examined that the dynamic peculiarity, the welding line flaw, the size of steel member section and the rusty phenomenon of an existing municipal steel-box girder bridge.
对某在用市政钢箱梁桥的动力特性、焊缝缺陷、应力和变形、钢构件截面尺寸和锈蚀情况进行了检测，按规范要求验算了结构的整体稳定和局部稳定。
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