摘要
云南居甫渡水电站围堰基础为透水性极强的砂卵石夹漂石及少量砂的冲积覆盖层,防渗墙采用高压旋喷二重管法注浆技术,经检测墙体均匀密实,抗渗效果明显,为高压喷射特别是高压旋喷灌浆在水利水电工程中的广泛应用提供了宝贵的施工经验。
The cofferdam foundation of the Jufudu, Yunnan province, is composed of highly permeable sands and gravels intercalated with bolder and tiny sand alluvium. The cut-off wall is built by rotating gTouting under high pressure in cased pipes. The test shows that the wall is evenly compacted with remarkable seepage control effect. It provides valuable construction experience to hydropower projects in the field of grouting under high pressure and rotating grouting under pressure in particular.
出处
《水力发电》
北大核心
2005年第10期45-47,共3页
Water Power
关键词
砂卵石层
高喷防渗墙
水电站围堰
Sand and gravel layer
high pressure grout cut-off wall
cofferdam of hydroelectric project