Model Tests on Dredged Soil–Filled Geocontainers Used as Containment Dikes for the Saemangeum Reclamation Project in South Korea
Publication: International Journal of Geomechanics
Volume 16, Issue 2
Abstract
A geotextile tube is a type of geocontainer typically filled with sandy slurries and fine-grained dredged sediments. Its performance in strength, dewatering, fine-particle retention, and stacked stability has been studied extensively. However, very little is understood about the shape-deformation behavior of geotextile tubes. In this paper, slurry-settlement, constant head permeability, and seepage-force tests were conducted to determine the geocontainers’ geotechnical design parameters. The characteristics of the dredged fill material determined from the slurry-settlement, constant head permeability, and seepage-force tests are presented. Large-scale tests on model geotextile tubes were also conducted. A large-scale apparatus for geotextile tube–filling test simulation is introduced. The apparatus consists of a slurry mixing station, a pumping and delivery station, a geotextile tube–filling station, and a data station. The results of the model tests conducted on a transparent geobag (undrained condition) and a geotextile tube (drained condition) are presented in this paper.
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Acknowledgments
This project was supported by the Research and Development Policy Infrastructure Program (Grant Code 12TRPI-C064124-01) funded by the Ministry of Land, Infrastructure, and Transport of the Republic of Korea.
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International Journal of Geomechanics
Volume 16 • Issue 2 • April 2016
Copyright
© 2015 American Society of Civil Engineers.
History
Received: Aug 7, 2014
Accepted: Apr 2, 2015
Published online: Sep 24, 2015
Discussion open until: Feb 24, 2016
Published in print: Apr 1, 2016
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