Closed stirrup with flash butt welding method can not only avoid malpractices in normal closed stirrup construction, but also can improve construction quality&& work efficiency with fewer steel materials.

• 将箍筋用闪光对焊焊成封闭环式，不但可以避免常规箍筋安装中的弊端,提高工程质量,还可以节省钢材、高工效,具有良好的社会效益和经济效益。