云南龙江水电站大坝表孔弧门因特定时期需发挥防洪、泄洪作用,且整个项目节点工期需提前,在弧门安装中不断优化焊接工艺,应用L型水封补偿技术,保证了弧门蓄水、止水质量,也达到了项目提前投产的目的。 Due to the flood control and flood discharge functions of the dam surface of the dam of Longjiang hydropower station in Yunnan Province during the specific period, the project duration of the project needs to be advanced in advance. The welding process is optimized in the installation of the arc door. The L-shaped seal compensation technology is adopted to ensure the arc gate Impoundment, stop water quality, but also to achieve the project put into operation in advance the purpose.