采用稳定渗流和非稳定渗流的三维有限元模拟技术，对南水北调中线一期穿黄工程南岸渠道高边坡的渗流状态进行了计算分析。根据拟采用的渗控措施，分别计算了渠道边坡在施工期、完建期、运行期和检修期内，采用不同降排水措施下边坡内的渗流状况，分析评价了各种渗控措施的降排水效果，对渠道边坡在不同阶段的渗控方案设计具有重要指导作用。

On the basis of the simulation technique of 3D finite element steady and un-steady seepage, this paper has finished the calculation analysis on south bank channel high slope seepage status of Yellow River Tunnel Project in first-stage of Middle Route South-to-North Water Transfer Project. According to seepage control measures proposed to be employed, the seepage condition of channel slope has been calculated using different drainage measures, during periods of construction, completion, operation and overhaul of the slope respectively, and the drainage effects of various seepage control measures have been analyzed, so, the important result has been achieved for seepage control design of channel slope at different phases.