漫湾电站底孔明渠破坏原因分析及硅粉混凝土修复技术

Damage Cause Analysis of the Bottom Outlet Open Channel of the Manwan Hydropower Station and silica Powder Concrete Repairing Technigae

通过对漫湾电站左双泄底孔明渠底板和边墙破坏原因分析，提出运行的防范措施。冲坑采用硅粉混凝土修复技术．经1997年汛期考验，效果明显。

This paper proposes the protective measures to ensure operaion after making damagecause analysis of both the hottom plate and the side walls ofthe left double discharge bottom outletopen channel.Silica powder concrete technigue was used to repair the plunge pool, which hasproved successful after being tested during the flood season in 1997.