帷幕深度一定时，分析了排水孔深度的变化对渗流量和扬压力的影响。
The effect of increasing drainage depth on seepage discharge and uplift of dam foundation is studied when curtain depth is fixed.
分析成果表明，部分坝块坝基帷幕防渗效果不够理想，坝基排水不够通畅。
The results show that the seepage prevention effect of some foundation curtains is not so good, and the foundation drain is not so effective.
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