主要探讨了深覆盖层上砂砾石坝的渗流特性以及如何防治石坝渗流的措施方法。首先分析了我国当前的深覆盖层上砂砾石坝的发展现状,继而以某石坝的防渗加固工程为例,从三维有限元模型和坝基三维渗流场特性这两方面探讨了石坝的防渗措施,指出了利用防渗墙和防渗帷幕的防渗加固方案取得了较为良好的防渗效果。 This paper mainly discusses the seepage characteristics of sand-gravel dams on deep overburden and measures to prevent seepage of rockfill dams. First of all, the current development situation of gravel dams on deep overburden in China is analyzed. Taking the seepage control and reinforcement project of a dam as an example, the anti-seepage of the dams and dams is discussed from three-dimensional finite element model and three- Seepage measures, pointed out that the use of anti-seepage walls and anti-seepage curtain seepage reinforcement program has achieved a better anti-seepage effect.