The reliability of seepage prevention system is a key problem for high rockfill dam built on the foundation of large overburden depth.

在深覆盖层地基上修建高土石坝，其防渗体系的可靠性是一项关键技术问题。

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Characteristic water level and reservoir capacity is fixed, freeboard and dam crest is calculated, seepage prevention of dam body, dam foundation and dam sheeting is discussed.

针对除险加固措施，确定了水库特征水位与库容，计算了坝顶超高及坝顶高程，探讨了坝体和坝基防渗、坝面护坡及防冻等问题。

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