Journal of the Korean Geosynthetics Society (한국지반신소재학회논문집)

Korean Geosynthetics Society (한국지반신소재학회)
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Experimental Study on Recycled-Aggregate Porous Concrete Pile Method

순환골재 다공질 콘크리트말뚝 공법에 대한 실내모형실험

  • You, Seung-Kyong (Dept. of Civil Engineering, Myongji College) ;
  • Lee, Chang-Min (Technology Research Institute, Pyeong-Won Engineering) ;
  • Kim, Se-Won (Dept. of Civil, Environmental & Architectural Engrg, Korea Univ.) ;
  • Choi, Hang-Seok (Dept. of Civil, Environmental & Architectural Engrg, Korea Univ.)
  • 유승경 (명지전문대학 토목과) ;
  • 이창민 ((주)평원엔지니어링 기술연구소) ;
  • 김세원 (고려대학교 건축사회환경공학과) ;
  • 최항석 (고려대학교 건축사회환경공학과)
  • Received : 2008.05.15
  • Accepted : 2008.06.13
  • Published : 2008.06.30
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Abstract

The purpose of this research is to assess the application of recycled-aggregate that is gained from construction wastes as the material of compaction pile method. At the same time, the development of the new technique rectifies defects of the existing compaction pile method for soft ground improvement. In this research, laboratory chamber tests were carried out analyzing the effect of the soft ground improvement by porous concrete pile using recycled aggregate. Through the results of the laboratory chamber tests, the variations of settlement, excess pore pressure, and increment of the vertical stress with time and the behavior of the composite ground were elucidated.

본 연구의 목적은 연약지반개량을 위한 다짐말뚝공법의 재료로써 건설폐기물에서 선별 처리된 순환골재의 적용성을 평가함과 동시에 기존 다짐말뚝공법들의 단점을 보완하는 새로운 공법을 개발하는 데 있다. 본 논문에서는 순환골재 다공질 콘크리트말뚝에 의한 지반개량효과를 분석하기 위하여 실내모형실험을 수행하였다. 실험결과로부터 개량된 복합지반의 침하량과 과잉간 극수압 및 연직응력증분의 시간에 따른 변화 특성과 복합지반의 거동 특성을 분석하였다.

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