Journal of the Korean Geotechnical Society (한국지반공학회논문집)

Korean Geotechnical Society (한국지반공학회)
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Estimation of Hydraulic Conductivity Using Piezocone Penetration Test

피에조콘 관입 시험을 이용한 투수계수 산정기법 연구

  • Published : 2001.04.01
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Abstract

본 연구에서는 수정 Cam Clay 모델과 혼합체 커플링 이론(coupled theory of mixtures)을 이용하여 피에조콘 관입시험을 해석하여 지반의 투수계수와 과잉간극수압의 정량적 관계를 고찰하였다. 본 연구의 이론적 해석 결과는 시험결과들과 비교하였으며 그 결과 피에조콘 관립 시험시 관측된 과잉간극수압은 지반의 투수계수가 $10^{-9}$m/sec에서 $10^{-6}$m/sec의 범위에서는 투수계수에 따라 피에조콘 관립 시험시 관측된 과잉간극수압이 현저하게 변하는 것으로 나타나 피에조콘 관입시험시 관측한 과잉간극수압을 이용하여 지반의 투수계수를 결정할 수 있음을 알 수 있었다. 또한 지반의 투수계수가 $10^{-9}$m/sec 이하에서는 지반이 거의 완전 비배수 상태에 가까운 거동을 나타내면, 투수계수가 $10^{-6}$m/sec 이상에서는 거의 완전 배수상태에 가까운 거동을 하는 것으로 나타났다.으로 나타났다.

Keywords

References

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