한국지반공학회:학술대회논문집 (Proceedings of the Korean Geotechical Society Conference)

한국지반공학회 (Korean Geotechnical Society)
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Evaluation of Remediation of Contaminated Soil Using PVDs

  • 신은철 (인천대학교 토목환경시스템공학과) ;
  • 박정준 (인천대학교 토목환경시스템공학과) ;
  • 노정민 (인천대학교 토목환경시스템공학과)
  • Shin, Eun-Chul (Dept. of Civil & Environmental System Engineering, University of Incheon) ;
  • Park, Jeong-Jun (Dept. of Civil & Environmental System Engineering, University of Incheon) ;
  • Roh, Jeong-Min (Dept. of Civil & Environmental System Engineering, University of Incheon)
  • 발행 : 2005.03.25
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초록

There are a number of approaches to in situ remediation that are used at contaminated sites for removing contaminants from the contaminated zone without excavating the soil. These include soil flushing, dual phase extraction, and soil vapor extraction. Of these techniques, soil flushing is the focus of the investigation in this paper. The concept of using prefabricated vertical drains(PVDs) for remediation of contaminated sites with fine-grained soils is examined. The PVD system is used to shorten the drainage path or the groundwater flow and promote subsurface liquid movement expediting the soil flushing process. The use of PVDs in the current state of practice has been limited to soil improvement. The use of PVDs under vacuum conditions is investigated using sample soil consisting of silty sand.

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