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探讨了有支护基坑整体稳定性分析中的孔隙水压力计算问题，着重讨论了稳定渗流引起的孔隙水压力计算与传统有自由渗流面的边坡稳定计算的不同之处，指出某些情况下进行基坑整体稳定分析之前应先进行流网分析。
The pore water pressure calculation problem in the analysis of the overall stability of supporting pits is discussed. The differences between the calculation of pore water pressure caused by stable seepage and the traditional slope stability calculation with free seepage surface are discussed. Some cases are pointed out. The flow network analysis should be performed before the overall stability analysis of the foundation pit.