Localized heating from the welding process and subsequent rapid cooling induces welding shrinkage stresses along weld bead during welding thin-wall plate and causes structural buckling distortions.
在薄板焊接中，由于局部加热和迅速冷却产生了沿焊缝方向的焊接收缩应力，而导致焊接薄板发生屈曲变形。
2
For Henan Provincial Art Centre, both the art wall and the structural steel roof adopt a structural system of the penetrated weld pipe truss.
河南艺术中心艺术墙与屋面钢结构均采用钢管相贯桁架结构体系。
3
The theatre steel roof of Henan Provincial Art Centre is a complex structural system, comprised of the in-plane penetrated weld pipe truss and three reinforced concrete elements underneath.