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响水涧抽水蓄能电站下水库围堤基础开挖后,西侧围堤边坡出现两处大面积渗水现象,对围堤黏土填筑施工质量影响很大。结合工程实际及工期要求,通过方案比选,确定采取“反滤排水、集中抽排、混凝土封堵”方案,并详细介绍施工工序和控制要点。经过3年工程运行情况表明,该段围堤安全稳定,其处理效果满足设计要求。
After the foundation excavation of the dam of Xiangshuijian Pumped Storage Power Station, two large-area seepage phenomena occurred on the slope of the western embankment, which greatly influenced the quality of the embankment clay filling. Combined with the actual project requirements and construction period, through the program comparison and selection, it is determined to adopt the program of “filter drainage, centralized pumping and concrete blockage” and introduce the construction process and control points in detail. After three years of project operation shows that the section of the dike safe and stable, the treatment effect to meet the design requirements.