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http://dx.doi.org/10.12814/jkgss.2016.15.3.039

Analysis on Seepage Behavior According to Extended length of HDPE Sheet of Rubble Mound Revetment at Offshore Landfill  

Oh, Myoung-hak (Coastal Disaster Prevention Research Center, KIOST)
Park, Hae-yong (Coastal Disaster Prevention Research Center, KIOST)
Kwon, O-soon (Coastal Disaster Prevention Research Center, KIOST)
Publication Information
Journal of the Korean Geosynthetics Society / v.15, no.3, 2016 , pp. 39-47 More about this Journal
Abstract
In order to prevent leakage of leachate in offshore landfill, hydraulic barrier is indispensable. In the case of rubble mound revetment at offshore landfill, HDPE sheet in slope should be installed. In this study, seepage analysis were performed to evaluate seepage and flow in the seabed and revetment according to extended length of HDPE sheet by using SEEP/W. Results show that, in the case of low permeability layer is distributed where extended length of HDPE sheet was more than 1m, seepage flux in seabed and revetment was greatly reduced. In order to prevent seepage in seabed and revetment in the case of sand layer of high permeability is existed above low permeable layer, extended length of HDPE sheet and impermeable improvement width of permeable layer should be more than 1m at seabed.
Keywords
Offshore landfill; Seepage analysis; HDPE sheet; SEEP/W;
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Times Cited By KSCI : 4  (Citation Analysis)
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