More than 45 million tons of marine clay is dredged in the western and southern sea every year in Korea. Dredged soils, which are relatively easily supplied, have been known as an economical fill material for the construction of airports, ports, and industrial land. However, dredged soils can no longer be used as a construction material because they contain various types of heavy metals and organic pollutants. If an electric field is applied to dredged sediments, various phenomena such as electrophoresis, electro-osmosis, electro-migration, electrolysis occur because the surface of marine clay is negatively charged. The interpretation of sedimentation and self-weight consolidation is very important because this behavior is closely related to the stabilization of dredged sediments and the landfilling period. The analytical solution for the calculation of excess pore-water pressure is obtained by determining the initial and boundary conditions. Then, the surface settlement and density profiles are predicted by using this analytical solution. The analytical solution from Esrig’s one-dimensional electrokinetic consolidation theory and this study’s numerical simulation with mass conservation more easily predicted the electrically induced consolidation behavior of dredged sediments than the non-linear finite strain consolidation theory.

Abstract
 I. 서 론
 II. 동전기적 탈수 및 안정화 해석
  1. Esrig의 동전기적 안정화 이론
  2. 지배방정식의 유도
  3. 전기장
  4. 초기조건 및 경계조건
  5. 과잉간극수압
  6. 평균압밀도
 III. 침하량 및 밀도 변화량 산정 방법
  1. 침하량
  2. 밀도 변화량
 IV. 수치해석 방법 및 결과
  1. 입력 파라미터 결정
  2. Esrig의 1차원 미소변형이론에 의한 수치해석 결과
  3. 침하량 및 밀도 변화량 보정
  4. 수치해석 결과
 V. 결 론
 References

• 이명호(인덕대학교 토목환경공학과) | MyungHo Lee (Department of Civil & Environmental Engineering, Induk University) Corresponding author