Abstract: It's the first discovery of buried channel in local reservoir dam site. Discovery, survey and selection of treatment scheme of buried channel at Toudao Baiyanggou reservoir is introduced for reference.

Key words: buried channel, survey, seepage, treatment scheme, reinforced concrete face

摘要： 古河槽在本地区水库枢纽坝址处属首次发现。通过对头道白杨沟水库古河槽的的发现、勘察、处理方案设计比选的介绍，为今后类似工程地质问题的勘察与设计提供参考。

关键词: 古河槽, 勘察, 渗漏, 处理方案, 钢筋混凝土防渗面板