团山子水库高水位运行条件下帷幕灌浆施工技术

团山子水库除险加固工程设计采用帷幕灌浆方案,在施工时因建设单位有供水需要,帷幕灌浆工作需在高水位（接近设计洪水位）进行,为此采用＂孔口封闭、自下而上、分级升压、由稀到浓、高压灌浆＂方法进行,在施工中对部分地段加排及补充填加化学剂处理,工程质量良好。

Curtain Grouting Construction Technology of High Water Level Operation in Tuanshanzi Reservoir

The scheme of curtain grouting was adopted in the danger relief and consolidation strengthening project for the Tuanshanzi reservoir,the curtain grouting needs to be conducted in high water level(approaching to design flood water level) because the employer asked for keeping water supply.Therefore,a special method,namely sealing the hole mouth,grouting from up to down,adopting different pressure in different grades,be from watery to thick,grouting at high pressure,was taken during the construction.Drainage ...