At the foot of the drainage on embankment slope, there must be a drain, the depth and thickness of which must guarantee enough draining section when the surface is frozen.
贴坡排水层的底脚处必须设置排水沟或排水体，其深度或厚度应使水面结冰后，排水沟(排水体)的下部仍有足够的排水断面。
The effect of increasing drainage depth on seepage discharge and uplift of dam foundation is studied when curtain depth is fixed.
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。
According to the causation, foundation depth and location, the soft foundation can be treated using the methods of surface layer treatment, displacement, loading and vertical drainage.
根据软土地基的生成原因和地基的厚度及其所处的位置，可采用表层处理法、置换法、加载法、竖向排水法四种方法进行软基处理。
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