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

Korean Geotechnical Society (한국지반공학회)
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Application of Earth Retaining Structure using Soil Cement-mixing Method

교반혼합체 공법의 도심지 흙막이벽 적용

  • Kim, Young-Seok (Geotechnical Disaster and Environment Research, Korea Institute of Construction Technology) ;
  • Cho, Yong-Sang (T.A. Team, Quality Management Division, Samsung C & T) ;
  • Kamg, In-Cheol (T.A. Team, Quality Management Division, Samsung C & T) ;
  • Kim, In-Sup (T.A. Team, Quality Management Division, Samsung C & T)
  • 김영석 (한국건설기술연구원 지반방재.환경연구실) ;
  • 조용상 (삼성물산 건설부문 품질경영실 T.A.팀) ;
  • 강인철 (삼성물산 건설부문 품질경영실 T.A.팀) ;
  • 김인섭 (삼성물산 건설부문 품질경영실 T.A.팀)
  • Published : 2009.03.27
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Abstract

In this study, a new soil retaining system was proposed by soil cement mixing method. The new soil retaining system is based on deep cement mixing method by large diameter reinforcing blocks (piles). Large diameter reinforcing blocks (usually $\varnothing$300-500 mm) have the advantage to make reinforcements over a relatively short depth and thus reduce the amount of reinforcement necessary. A field case has been reviewed for actual application of the soil retaining system at a downtown site. Research was conducted to evaluate the behavior of the installed soil retaining wall, with reinforcing blocks (400 mm in diameter and 4 m in length) placed into a 10 m excavation wall at a $20^{\circ}$ angle. As a result, the potential for applying this method to the downtown excavation site was confirmed.

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