An analytic model for base flow of dam seepage

GU Chong-shi; HU Ling-zhi; ZHANG Qian-fei

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An analytic model for base flow of dam seepage

更新时间：2026-06-25

- An analytic model for base flow of dam seepage
- Vol. 26, Issue 7, (2005)
- 作者机构：
  
  河海大学水利水电工程学院,江苏,南京,210098
- 作者简介：
- 基金信息：
- DOI：
  CLC： TV223
- Online First：17 December 2013，
  
  Published：2005
- 稿件说明：
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GU Chong-shi, HU Ling-zhi, ZHANG Qian-fei. An analytic model for base flow of dam seepage[J]. 2005, 26(7).
DOI：

GU Chong-shi, HU Ling-zhi, ZHANG Qian-fei. An analytic model for base flow of dam seepage[J]. 2005, 26(7). DOI：

摘要

深入研究了库水位等变化对渗流变化滞后效应，探讨了渗流的滞后模型，利用该模型进行优化分析，确定了渗流滞后天数和影响天数以及上游有效水深等参数；并借助于上游有效水深，将非稳定渗流计算问题转化为稳定渗流的求解问题，简化了计算；在此基础上，结合实测资料及渗流分析，建立了大坝渗流基流的分析模型。算例表明：建立的模型能较好地反映基流的变化性态。

Abstract

The hysteresis effect of seepage variation caused by reservoir water level variation is deeply studied; and then a hysteresis seepage model is presented. By use of this model and optimization analysis，hysteresis days and effective water depth upstream are determined. By introducing effective water depth upstream

an instability seepage problem is converted to a stability seepage one. Based on this simplification and combining measured data and seepage analysis

an analytic model for base flow of dam seepage is proposed. The example shows that the model can simulate behavior of base flow.

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