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。
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。
The piezometric head is also measured from the same datum level.
测压水头亦应从同一基准面算起。
The piezometric head is also measured from the same datum level.
测压水头亦应从同一基准面算起。
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