Thermal influences on swelling pressure and swelling deformation of bentonites and investigation of its factors

Research output: Contribution to conferencePaper

2 Citations (Scopus)

Abstract

Because buffers for disposal of high-level radioactive wastes must have high swelling characteristics for sealing wastes, bentonite is currently designated for that use. High-level radioactive wastes generate decay-heat, and it is has been inferred that the swelling characteristics of bentonite decline because of the decay-heat of wastes. This study investigated swelling pressure and swelling deformation of bentonites during some thermal experiments conducted in the laboratory. Moreover, this study discusses the mechanism of thermal influences to bentonite-swelling by considering the above experimentally obtained results with chemical analyses such as measurement of cation concentration of water around the specimen, a methylene blue absorption test, and X-ray powder method for heated bentonites.

Original languageEnglish
Pages3367-3370
Number of pages4
Publication statusPublished - 2013 Jan 1
Externally publishedYes
Event18th International Conference on Soil Mechanics and Geotechnical Engineering, ICSMGE 2013 - Paris, France
Duration: 2013 Sep 22013 Sep 6

Other

Other18th International Conference on Soil Mechanics and Geotechnical Engineering, ICSMGE 2013
CountryFrance
CityParis
Period13/9/213/9/6

Fingerprint

swelling
Swelling
Bentonite
bentonite
Radioactive wastes
radioactive waste
sealing
Waste disposal
X ray powder diffraction
cation
Positive ions
Hot Temperature
X rays
Water
experiment
Experiments
water

Keywords

  • Bentonite
  • Chemical properties
  • Clay minerals
  • Radioactive waste disposal
  • Swelling
  • X-ray diffraction analysis

ASJC Scopus subject areas

  • Geotechnical Engineering and Engineering Geology

Cite this

Komine, H. (2013). Thermal influences on swelling pressure and swelling deformation of bentonites and investigation of its factors. 3367-3370. Paper presented at 18th International Conference on Soil Mechanics and Geotechnical Engineering, ICSMGE 2013, Paris, France.

Thermal influences on swelling pressure and swelling deformation of bentonites and investigation of its factors. / Komine, Hideo.

2013. 3367-3370 Paper presented at 18th International Conference on Soil Mechanics and Geotechnical Engineering, ICSMGE 2013, Paris, France.

Research output: Contribution to conferencePaper

Komine, H 2013, 'Thermal influences on swelling pressure and swelling deformation of bentonites and investigation of its factors' Paper presented at 18th International Conference on Soil Mechanics and Geotechnical Engineering, ICSMGE 2013, Paris, France, 13/9/2 - 13/9/6, pp. 3367-3370.
Komine H. Thermal influences on swelling pressure and swelling deformation of bentonites and investigation of its factors. 2013. Paper presented at 18th International Conference on Soil Mechanics and Geotechnical Engineering, ICSMGE 2013, Paris, France.
Komine, Hideo. / Thermal influences on swelling pressure and swelling deformation of bentonites and investigation of its factors. Paper presented at 18th International Conference on Soil Mechanics and Geotechnical Engineering, ICSMGE 2013, Paris, France.4 p.
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