1·The saturation line monitoring, which is done by manual usually with piezometric tube, is the main investigation item in tailings dam.
浸润线是尾矿坝的主要监测项目，一般采用测压管进行人工监测。
2·The law of observed water level change in piezometric tube is analyzed in this paper. Furthermore, the stability of soil core wall dam on the unsteady seepage is studied.
分析了刘家峡黄土心墙坝测压管实测水位变化规律，研究了黄土心墙坝在非恒定渗流下的稳定性。
3·In view of complex nonlinear relationship between dam seepage parameters and piezometric tube level, the least squares support vector machine is applied to the back analysis of seepage parameters.
针对土石坝渗透参数和测压管水位间复杂的非线性关系，应用最小二乘支持向量机于土石坝渗透系数的反演。