工程中二维渗流的情况比较常见。长度较大的板桩墙或混凝土连续墙下的渗流,土坝下及坝体内的渗流等,均可看成发生在平行于渗流方向的垂直平面内的二维渗流问题。如果土是完全饱和的,并且可以认为渗流中的土和水均不可压缩,则水流的状态不随时间而变,这种渗流为稳定渗流。 Two-dimensional seepage in the project is more common. The seepage flow under the diaphragm wall or concrete continuous wall, the seepage under the earth dam and the dam can all be regarded as two-dimensional seepage problems that occur in the vertical plane parallel to the seepage direction. If the soil is fully saturated and it can be assumed that both the soil and the water in the seepage are incompressible, the state of the water flow does not change with time, and this seepage is a steady seepage.