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奇点附近渗透出逸坡降的测定 被引量:1

Determination of Seepage Exit Gradient Near Singular Points
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摘要 奇点附近的渗透出逸坡降甚大,且沿深度变化甚快,在模型试验中难以测定.应用理论分析结合电拟试验,提出了一简便又有一定精度的测试方法.虽然此方法仅适用于施测奇点附近的小区域,但由于奇点附近小区域的出逸坡降甚大,为整体工程渗流稳定的控制区,因此,本测定方法有一定的实用价值. The exit gradient near singular points is very large,and it varies rapidly along the depth.Therefore,it can not be determined exactly in model test.In this paper,a theoretical analysis combined with the electric analogue test is applied to determine it.This method is simple and possesses a certain precision.
机构地区 安徽省
出处 《水利水电技术》 CSCD 北大核心 2001年第10期7-9,共3页 Water Resources and Hydropower Engineering
关键词 渗流 电拟试验 出逸坡降 测定方法 区域 奇点附近 渗透 seepage electric analogue test exit gradient
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参考文献2

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同被引文献12

  • 1沙金煊.闸坝地基下游渗流出逸坡降近似计算[J].江苏水利,1988(3):1-14.
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  • 3Zhu H,Zhang LM.Characterizing geotechnical anisotropic spatial variations using random field theory[J].Canadian Geotechnical Journal,2013,50(7):723-734.
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  • 5Griffiths DV,Fenton GA.Three-dimensional seepage through spatially random soil[J].Journal of Geotechnical and Geoenvironmental Engineering,1997,123(2):153-160.
  • 6Fenton GA,Griffiths DV.Statistics of free surface flow through stochastic earth dam[J].Journal of Geotechnical Engineering,1996,122(6):427-436.
  • 7Griffiths DV,Fenton GA.Probabilistic analysis of exit gradients due to steady seepage[J].Journal of Geotechnical and Geoenvironmental Engineering,1998,124(9):789-797.
  • 8Smith IM,Griffiths DV.Programming the finite element method[M].John Wiley&Sons,2005:326-327.
  • 9Fenton GA,Griffiths DV.Risk assessment in geotechnical engineering[M].Wiley,2008:276-278.
  • 10Lancellotta R.Geotechnical engineering[M].CRC Press,2008:227-230.

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