Discussion of Seepage Calculation for Geomembrane Earthrock Dams

Yun Feng Peng; Kun Jiang

doi:10.4028/www.scientific.net/AMR.740.530

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 740Discussion of Seepage Calculation for Geomembrane...

Discussion of Seepage Calculation for Geomembrane Earthrock Dams

Abstract:

As a new kind of seepage control material, the geomembrane has been widely used in earthrock dam, yet the seepage calculation of the geomembrane earthrock dam has not been studied on theory. Based on seepage mechanism in geomembrane, this thesis classifies the seepage into two types: one is permeability of geomembrane itself; the other is defect leakage flux in geomembrane. Based on feedback analysis of geomembrane earthrock dam with observation data, the permeability coefficient of geomembrane can be obtain on average, so the problem that the defects in geomembranes are difficult to ascertain is solved. At last, the sources of error in seepage calculation for geomembrane earthrock dams by method of clay equivalency were discussed. Analyzed the count error, and corrected the mathematical model.

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Periodical:

Advanced Materials Research (Volume 740)

Pages:

530-534

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.740.530

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Online since:

August 2013

Authors:

Yun Feng Peng, Kun Jiang

Keywords:

Earthrock dam, Geomembrane, Seepage Calculation, Seepage Characteristics

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