Abstract: In order to ensure the safe operation of Huanglongtan hydropower station, the seepage of concrete lining section of the diversion system of No. 4 unit was treated. This paper introduced anti-seepage reinforcement of expansion joint, crack, hole and plug of construction adit. Due to the reasonable scheme and fine construction, the leakage treatment had achieved a satisfactory effect.

Key words: Huanglongtan hydropower station, concrete lining, seepage treatment

摘要： 为保障电站安全运行，对黄龙滩水电站4号机组引水系统混凝土衬砌段渗漏进行了治理。介绍了伸缩缝渗水、裂缝渗水、孔洞渗水、施工支洞堵头渗水等缺陷防渗加固处理的方法。由于方案合理、施工规范，渗漏处理取得了令人满意的效果。

关键词: 黄龙滩水电站, 混凝土衬砌, 渗漏处理