Abstract: The seepage amount of Baishan arch dam has been small after ponding, but unexpectedly increased in the flood season of 1995. The cause was some missing intensify curtain grouting holes. After supplementary grouting, the performance was well and the operation returned to normal.

摘要： 白山拱坝蓄水后坝基漏水量较小。1995 年汛期, 坝基漏水量突然增大, 分析认为是加强帷幕灌浆孔漏灌所致, 经补灌后效果良好, 多年运行表明, 大坝工作状态正常。