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通过简化南水北调中线一期工程总干渠跨渠建筑物桩基接触缝渗漏特性为非完整注水井,开展了室内大型垂直渗透物理模型试验和GEO-SEEP/W饱和非饱和渗流数值模型计算。由数值模型计算结果指导确定物理模型尺寸,然后再由实测结果来验证数值计算结果,通过对比分析得出数值计算结果是可信的,可以用于桩基与渠坡非协调变形引起渗漏的分析。
By simplifying the seepage characteristics of pile foundation contact in the main canal of the Middle Route of the South-to-North Water Diversion Project, the large-scale vertical infiltration physical model test and GEO-SEEP / W unsaturated unsaturated seepage numerical model were carried out. The result of the numerical model calculation guides the determination of the physical model size, and then validates the numerical calculation results from the measured results. The numerical results are credible by comparative analysis and can be used for the seepage caused by the non-coordinated deformation of pile foundation and drainage slope analysis.