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Effect of the Overlapping Smear Zone on the Consolidation of Clayey Soil
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스미어 영역 겹침이 점성토 지반의 압밀에 미치는 영향

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Type
Academic journal
Author
Journal
한국지반공학회 Journal of the Korean Geotechnical Society Vol.29 No.4 KCI Accredited Journals
Published
2013.4
Pages
13 - 22 (10page)

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Effect of the Overlapping Smear Zone on the Consolidation of Clayey Soil
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Research history (6)

2013

Effect of the Overlapping Smear Zone on the Consolidation of Clayey Soil
Yune ,  Chan-Young ,  Kim Journal of the Korean Geotechnical Society 2013.04 Academic journal

2009

Spatial Variation of Void Ratio and Permeability by Smear and Its Changing Behavior during Consolidation : Part Ⅰ. Physical Model Test and Analysis
Yune Chan-Young ,  Son Dae Jin ,  Chun Sung-Ho and others 1 JOURNAL OF THE KOREAN SOCIETY OF CIVIL ENGINEERS C 2009.07 Academic journal

2007

Spatial Variation of Permeability by Smear and Its Changing Behavior during Consolidation
Yune Chan-Young ,  Son Dae Jin ,  Chung Choong-Ki 대한토목학회 학술대회 2007.10 Proceeding

2005

Influence of Void Ratio Variation on Consolidation Behavior of Clayey Soil with Vertical Drains
윤찬영 Geoenvironmental Engineering 2005.12 Academic journal
Influence of Progressive Consolidation on Consolidation Behavior of Normally Consolidated Clayey Soil with Vertical Drains
Chan Young Yune ,  Choong Ki Chung Journal of the Korean Geotechnical Society 2005.08 Academic journal

2004

Numerical Analysis for Effect of Progressive Consolidation Initiated from Drainage Boundary in Radial Drainage
Yune Chan-Young ,  Chung Choong-Ki 대한토목학회 학술대회 2004.10 Proceeding
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Abstract· Keywords

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To simulate the soft ground improved by vertical drain method and to investigate the effect of overlapping smear on subsequent consolidation behavior, a series of consolidation tests with a large consolidation chamber and mandrel insertion device were conducted. Based on the test result, numerical analysis was also performed to analyze the efficiency of the vertical drain method. Laboratory test and numerical analysis results showed that the effect of smear zone increased consolidation settlement but the overlapping smear zone decreased the consolidation settlement. In addition, vertical drain accelerated consolidation rate but narrowing the drain spacing did not affect the consolidation rate because of the effect of smear. The efficiency of consolidation rather decreased substantially when the smear zone was overlapped.
#Consolidation #Numerical analysis #Overlapping smear #Consolidation rate #Drain spacing ratio

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References (14)

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Bergado, D. T. / 1991 / Smear effects of vertical drains on soft Bangkok clay / Journal of Geotechnical Engineering 117(10):1509~1530 google schola Choi, W. J. / 2001 / The Evaluation of consolidation rate by considering of varying permeability in smear zone / Proceedings of KSCE National Conference :2963~2966 google schola Hansbo, S. / 1981 / Consolidation of fine-grained soils by prefabricated drains / Proc. 10th Int. Conf. Soil Mech. Found. Eng, Stockholm 3:677~682 google schola Indraratna, B. / 1998 / Laboratory Determination of Smear Zone due to Vertical Drain Installation / Journal of Geotechnical and Geoenvironmental Engineering 124(2):180~184 google schola Joo, J. W. / 2002 / Horizontal Drainage Consolidation Test by Rowe Cell / Proceedings of KSCE National Conference :2355~2358 google schola

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