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

한국지반공학회 (Korean Geotechnical Society)
권호 표지

개별진공압이 적용된 연약지반의 응력과 변형 특성

Characteristic of stress and strain of soft ground applied individual vacuum pressure

  • 안동욱 (한양대학교 건설환경공학과) ;
  • 한상재 ((주)지구환경전문가그룹 기술연구소) ;
  • 김병일 ((주)지구환경전문가그룹 기술연구소) ;
  • 정승용 ((주)지구환경전문가그룹) ;
  • 김수삼 (한국토지주택공사 토지주택연구원)
  • Ahn, Dong-Wook (Dept. of Civil Engineering, Hanyang Univ.) ;
  • Han, Sang-Jae (Research laboratory, Expert Group for Earth and Environment Co. Ltd.) ;
  • Kim, Byung-Il (Research laboratory, Expert Group for Earth and Environment Co. Ltd.) ;
  • Jung, Seung-Yong (Expert Group for Earth and Environment Co. Ltd.) ;
  • Kim, Soo-Sam (Land&Housing Institute, Korea Land&Housing Corporation)
  • 발행 : 2010.09.09
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초록

Individual vacuum pressure method is soft ground improvement technique, in which a vacuum pressure can be directly applied to the vertical drain board to promote consolidation and strengthening the soft ground. This method does not require a surcharge load, different to embankment or pre-loading method. In this study, given the inner displacement of the ground where the individual vacuum pressure is applied, this dissertation aimed to reproduce the state of stress in the ground that is subject to the constraints created by the depth of improvement area. Modified Cam Clay theory which made it possible to take into account the isotropic displacement of the ground was applied to the NAP-IVP used simulation; the conception of equivalent permeability proposed by Hird was also applied so that the 3-dimensional real construction effect of drain materials could be reflected in the analysis.

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