The super radial gate for the Hongjiang Hydropower Station has many welding joints so that it is big in welding deformation and difficult to control the welding deformation.

• 洪江电站超大型弧形闸门焊缝较多,焊接变形较大、焊接变形控制困难。闸门制作中,利用多种焊接变形控制技术,对闸门制造全过程焊接进行了跟踪和研究。