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Analysis on simplified calculation conditions for unsteady seepage wetting front locations in earth-dams based on finite element method
Author(s): 
Pages: 60-62
Year: Issue:  4
Journal: JOURNAL OF YANGTZE RIVER SCIENTIFIC RESEARCH INSTITUTE

Keyword:  稳定渗流非稳定渗流组合参数浸润线;
Abstract: 利用有限单元法对土石坝进行渗流分析,得出了库水位下降过程中按稳定渗流和非稳定渗流所得坝体浸润线之间的平均相对误差,建立了渗流参数与浸润线平均相对误差的内在联系,提出了由组合参数判定非稳定渗流坝体浸润线简化计算条件的3组判据.这与前人通过实验和水力学方法得到的结论基本吻合.
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