摘要
刘家峡水电站泄水道 2号孔经多年运行 ,进水口及门槽段遭受泥沙严重磨蚀破坏 ,必须进行修复处理。修复处理采用 6 0 m水深下用浮体门坝面挡水、旱地施工方案 ,该方案风险高、难度大、技术复杂 ,设计和施工中解决了一系列技术难题 ,成功地完成了修复任务 。
After tens of year's operation, the intake and gate s lot sections of outlet No.2 are seriously damaged by silt erosion and must b e rehabilitated. The scheme of land construction and deep water blocking by floa ting gate is adopted by braving great dificulties and high risks. In design and construction, a number of sophiscated technical problems are tackled and con sequently the rehabilitation of erosion damages is successfully completed. The e xperience is beneficial to the similar rehabilitation works.
出处
《西北水电》
2001年第3期61-65,共5页
Northwest Hydropower
关键词
进水口
磨蚀破坏
修复
浮体门
深水封堵
设计
施工
泄水道
泄水孔
intake
erosion damage
rehabilication
floating gat e
deep water blocking
design and construction
