This paper presents sand and cobble foundation treatment of overflow dam, guide wall and overflow weir by "high pressure jet grouting" at an in Hydropower Station.
本文主要介绍应用“高喷”技术对安居水电站溢流坝、堰坝导墙、溢流堰天窗沙卵石基础处理的方法和体会。
Compared with perforated pipe distributor, perforated weir-riser distributor has smaller wall flow, bigger operation elasticity and simpler structure, it is easy to install.
该分布器与原来的多孔直管式分布器比较，具有壁流量小，操作弹性大的优点，而且此分布器结构简单，安装方便。
A lot of on-spot experiments discovered that the water level and flow rate of wall-pressing weir flow are not accord with that of the normal weir flow.
通过反复的现场放水试验研究，发现矩型薄壁堰发生贴壁堰流时的水位流量关系与正常堰流时的水位流量关系不一致，相同水位时贴壁流的过流能力大。
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