Permeability estimation based on crack tensor on site scale

Yamasaki, Masanao*; Tsusaka, Kimikazu*; Otani, Tatsuhiko*; Shinji, Masato*

Japan Atomic Energy Agency has been constructed the Underground Research Laboratory in Hokkaido. In the shaft excavation, length, direction and aperture of geological observation are measured and analyzed in order to estimate rock permeability around lining. In this report, correlation between frequency of cracks and rock permeability based on crack tensor and stereology was discussed. Prediction equation of rock permeability from the frequency of cracks on the shaft wall was also proposed.

Language	:	Japanese
Journal	:	Doboku Gakkai Rombunshu, F2 (Chika Kukan Kenkyu) (Internet)
Volume	:	71
Number	:	1
Pages	:	p.1 - 10
Publication Year/Month	:	2015/04
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Paper URL	:	http://doi.org/10.2208/jscejusr.71.1
DOI for research data	:
Keywords	:	Shaft excavation; Geological observation; Stereology; Crack tensor method; Permeability
Research Facility	:	深地層研究所
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Article of JAEA R&D Review	:
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Registration No. : AA20140449
JAEA Abstracts No. : 43000847
Paper Submission No. : 15962

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