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실내모형실험을 통한 연직배수재 타설에 의한 스미어존의 평가
김홍택,한연진,김승욱,황정순,Kim. Hong-Taek,Han. Yeon-Jin,Kim. Seong-Wook,Hwang. Jeong-Soon 한국방재학회 2007 한국방재학회 학술발표대회논문집 Vol.2007 No.1
When ground disturbance takes place due to vertical drain construction through mandrel penetration, that affects excess pore water pressure dissipation time because of soft clay coefficient of permeability decreasing. Eventually, consolidation time is influenced. In this research, we measure process of excess pore water pressure dissipation before and after each other different shape`s mandrel penetration through model test, and calculates range of smear zone, coefficient of permeability and horizontal coefficient of consolidation after model test. Using of test result, we grasp a degree of drainage ability drop resulting from vertical drain construction.