Mechanical characteristics of rock segment for reducing amount of cement use and stability of drift tunnel

Tada, Hiroyuki*; Kumasaka, Hiroo*; Saito, Akira*; Nakaya, Atsushi*; Ishii, Takashi*; Fujita, Tomoo ; Sugita, Yutaka ; Nakama, Shigeo ; Sanada, Masanori*

This study examined the mechanical characteristics of rock segments and backfill materials and analyzed the stability of the drift that is supported by the rock segments and gravel backfill. The results confirmed the technical aspects of the formation of the rock segments and the effectiveness of the planned efforts to further reduce the amount of cement used.

Language	:	Japanese
Journal	:	Doboku Gakkai Rombunshu, F2 (Chika Kukan Kenkyu) (Internet)
Volume	:	73
Number	:	1
Pages	:	p.11 - 28
Publication Year/Month	:	2017/03
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Paper URL	:	https://doi.org/10.2208/jscejusr.73.11
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	:	清水建設

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Registration No. : AA20150968
JAEA Abstracts No. : 47000647
Paper Submission No. : 21279

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