Strength and impermeability recovery of siliceous mudstone from complete failure

Sugita, Yutaka ; Sanada, Masanori; Fujita, Tomoo ; Hashiba, Kimihiro*; Fukui, Katsunori*; Okubo, Seisuke*

Radionuclide migration can be undesirably increased by weakening the mechanical properties of a rock mass in the excavated disturbed zone (EDZ) around the tunnels of a geolical disposal facility for high level radioactive waste. Laboratory testing of loading stress and loading time on failed siliceous mudstone specimens has identified the potential for the long-term recovery of the strength and impermeability of the rock mass in the EDZ.

Language	:	Japanese
Journal	:	Dai-13-Kai Iwa No Rikigaku Kokunai Shimpojiumu Koen Rombunshu (CD-ROM)
Volume	:
Number	:
Pages	:	p.207 - 212
Publication Year/Month	:	2013/01
Meeting title	:	第13回岩の力学国内シンポジウム/第6回日韓ジョイントシンポジウム
Held date	:	2013/01
Location (city)	:	宜野湾
Location (country)	:	日本
Patent information	:
PDF	:
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DOI for research data	:
Keywords	:	no keyword
Research Facility	:	ENTRY(地層処分基盤研究施設)
Press Release	:
Article of JAEA R&D Review	:
Cooperating Institute	:	東京大学

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Registration No. : BB20121468
JAEA Abstracts No. : 47000743
Paper Submission No. : 21375

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