Journal of the Korean Geotechnical Society (한국지반공학회논문집)

Korean Geotechnical Society (한국지반공학회)
권호 표지

Sedimentation & Consolidation Behaviour of Dredged Clay Fill

준설매립 점토지반의 침강 . 압밀거동

  • 이승원 (정회원, 현대건설(주) 기술연구소 책임연구원) ;
  • 지성현 (정회원, 현대건설(주) 기술연구소) ;
  • 유석준 (정회원, 현대건설(주) 기술연구소) ;
  • 이영남 (정회원, 현대건설(주) 기술연구소 소장)
  • Published : 2000.08.01
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Abstract

Sedimentation and self-weight consolidation tests in cylinder and large model tank and field measurement such as settlement and pore water pressure at each layer by wireless automatic instrumentation system were carried out to investigate the behaviour of dredged marine clay fill. The consolidation behaviour for each reclaimed layer was analyzed from these measured data and numerical analysis result using finite strain consolidation theory. It was fond from this study that the consolidation behaviour of dredged clay fill is heavily dependent on the filling process.

해성점토를 이용하여 준설매립한 부지의 장기적인 침하거동을 규명하기 위하여 실린더와 대형토조를 이용하여 침강.자중압밀시험을 수행하였으며, 준설매립단지에 자동무선계측시스템을 설치하여 매립부지의 층별침하량과 간극수압의 변화를 계측하였다. 이를 이용하여 준설매립 공정에 따른 매립지층의 침하거동을 분석하고 유한변형률 압밀이론을 이용한 수치해석 결과와 비교하였다. 침하거동 분석결과, 불연속 준설매립공정으로 인하여 매립지층의 분리 현상이 발생하였고 지층별 침하거동이 상이하게 나타났다.

Keywords

References

  1. 대한토질공학회지 v.3 no.3 반월지역 해성접토의 침강특성에 관한 실험적 연구 김수삼
  2. Geotechnique v.31 no.4 Self-weight Consolidation of Soft Soil : An Experimental and Theoretical Study Been, K.;Sills, G. C.
  3. Journal of Canadian Geotechical Engineering v.18 The Theory of One-dimensional Consoildation of Saturated Clay II : Finite Non-linear Consolidation of Thick Homogeneous Layers Gibson, R. E.;Schiffman, R, L.;Cargill, K. W.
  4. Geotechnique v.17 The Theory of One-dimensional Consolidation of Saturated Clay I : Finite Non-linear Consolidation of Thick Homogeneous Layers Gibson, R. E.;England, G. L.;Hussey, M. J.
  5. Soils and Foundations v.21 no.1 Experimental Studies on Sedimentation Mechanism and Sediment Formation of Clay Materials Imai, G.
  6. Conference Proceeding Sedimentation and Self Weight Consolidation of Dredge Soil Lin, T. W.;Lohnes, R. A.
  7. The Consolidation of Soft Clay - A New Consolidation Theory and Its Application Mikasa, M.
  8. Geotechnique v.19 Consolidation of Deep Deposits of Homogeneous Clay Raymond, G. P.
  9. A Review of the Theories for Sand Drains no.1301 Richart, F. E.
  10. Primary Consolidation and Dessication of Dredged Fill Program Documentation and User's Guide : PCDDF 89 Stark, T. D.
  11. Soil Mechanics in Engineering Practics Terzaghi, K.;Peck, R. B.
  12. Engineering Manual no.1110-2-5027 Confined Disposal of Dredged Material US Army Corps of Engineers
  13. Properties of Very Soft Ground Reclaimed by Dredged Marine Clay and Their Prediction v.964 no.III-4 Yano, K.