Geotechnical characterization of permeable barriers mixture of sand, loess and bentonite

Byung Sik Chun, Jae Woo Park, Yong Jae Lee, Byung Hong Kim

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

This study is part of the project that develops the permeable barrier to be applied in a landfill. The permeable barrier is different from an impermeable barrier in that it permits a limited diffusion of the leachate, which will be directly purified biologically and chemically in the landfill. This study determines the optimum mixing ratio between sand, loess, and bentonite, which are the main components of the permeable barrier. Dry specimens were made using a mixture of sand, loess and bentonite. Uniaxial compression test and permeability test were conducted to measure optimum mixing ratio. As a result, the optimum-mixing ratio that satisfied the regulation of unconfined compressive strength(490kPa) and coefficient of permeability(10-3-10 -4 cm/sec) of the landfill was when the ratio of sand and loess was 8:2 with bentonite content of 2%.

Original languageEnglish
Title of host publication5th ICEG Environmental Geotechnics
Subtitle of host publicationOpportunities, Challenges and Responsibilities for Environmental Geotechnics - Proceedings of the ISSMGE 5th Int. Congress
Pages415-422
Number of pages8
StatePublished - 2006 Dec 1
Event5th ICEG Environmental Geotechnics: Opportunities, Challenges and Responsibilities for Environmental Geotechnics - International Society of Soil Mechanics and Geotechnical Engineering's (ISSMGE) 5th International Congress - Cardiff, Wales, United Kingdom
Duration: 2006 Jun 262006 Jun 30

Publication series

Name5th ICEG Environmental Geotechnics: Opportunities, Challenges and Responsibilities for Environmental Geotechnics - Proceedings of the ISSMGE 5th Int. Congress
VolumeI

Other

Other5th ICEG Environmental Geotechnics: Opportunities, Challenges and Responsibilities for Environmental Geotechnics - International Society of Soil Mechanics and Geotechnical Engineering's (ISSMGE) 5th International Congress
CountryUnited Kingdom
CityCardiff, Wales
Period06/06/2606/06/30

Fingerprint

Bentonite
Land fill
bentonite
mixing ratio
loess
landfill
Sand
sand
permeability
compressive strength
Compressive strength
leachate
Compaction
compression
test

Cite this

Chun, B. S., Park, J. W., Lee, Y. J., & Kim, B. H. (2006). Geotechnical characterization of permeable barriers mixture of sand, loess and bentonite. In 5th ICEG Environmental Geotechnics: Opportunities, Challenges and Responsibilities for Environmental Geotechnics - Proceedings of the ISSMGE 5th Int. Congress (pp. 415-422). (5th ICEG Environmental Geotechnics: Opportunities, Challenges and Responsibilities for Environmental Geotechnics - Proceedings of the ISSMGE 5th Int. Congress; Vol. I).
Chun, Byung Sik ; Park, Jae Woo ; Lee, Yong Jae ; Kim, Byung Hong. / Geotechnical characterization of permeable barriers mixture of sand, loess and bentonite. 5th ICEG Environmental Geotechnics: Opportunities, Challenges and Responsibilities for Environmental Geotechnics - Proceedings of the ISSMGE 5th Int. Congress. 2006. pp. 415-422 (5th ICEG Environmental Geotechnics: Opportunities, Challenges and Responsibilities for Environmental Geotechnics - Proceedings of the ISSMGE 5th Int. Congress).
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abstract = "This study is part of the project that develops the permeable barrier to be applied in a landfill. The permeable barrier is different from an impermeable barrier in that it permits a limited diffusion of the leachate, which will be directly purified biologically and chemically in the landfill. This study determines the optimum mixing ratio between sand, loess, and bentonite, which are the main components of the permeable barrier. Dry specimens were made using a mixture of sand, loess and bentonite. Uniaxial compression test and permeability test were conducted to measure optimum mixing ratio. As a result, the optimum-mixing ratio that satisfied the regulation of unconfined compressive strength(490kPa) and coefficient of permeability(10-3-10 -4 cm/sec) of the landfill was when the ratio of sand and loess was 8:2 with bentonite content of 2{\%}.",
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Chun, BS, Park, JW, Lee, YJ & Kim, BH 2006, Geotechnical characterization of permeable barriers mixture of sand, loess and bentonite. in 5th ICEG Environmental Geotechnics: Opportunities, Challenges and Responsibilities for Environmental Geotechnics - Proceedings of the ISSMGE 5th Int. Congress. 5th ICEG Environmental Geotechnics: Opportunities, Challenges and Responsibilities for Environmental Geotechnics - Proceedings of the ISSMGE 5th Int. Congress, vol. I, pp. 415-422, 5th ICEG Environmental Geotechnics: Opportunities, Challenges and Responsibilities for Environmental Geotechnics - International Society of Soil Mechanics and Geotechnical Engineering's (ISSMGE) 5th International Congress, Cardiff, Wales, United Kingdom, 06/06/26.

Geotechnical characterization of permeable barriers mixture of sand, loess and bentonite. / Chun, Byung Sik; Park, Jae Woo; Lee, Yong Jae; Kim, Byung Hong.

5th ICEG Environmental Geotechnics: Opportunities, Challenges and Responsibilities for Environmental Geotechnics - Proceedings of the ISSMGE 5th Int. Congress. 2006. p. 415-422 (5th ICEG Environmental Geotechnics: Opportunities, Challenges and Responsibilities for Environmental Geotechnics - Proceedings of the ISSMGE 5th Int. Congress; Vol. I).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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Chun BS, Park JW, Lee YJ, Kim BH. Geotechnical characterization of permeable barriers mixture of sand, loess and bentonite. In 5th ICEG Environmental Geotechnics: Opportunities, Challenges and Responsibilities for Environmental Geotechnics - Proceedings of the ISSMGE 5th Int. Congress. 2006. p. 415-422. (5th ICEG Environmental Geotechnics: Opportunities, Challenges and Responsibilities for Environmental Geotechnics - Proceedings of the ISSMGE 5th Int. Congress).