The In-situ experiment for performance confirmation of engineered barrier system at Horonobe Underground Research Laboratory; Investigation and construction technique for backfill using rock spoil from URL excavation

Shirase, Mitsuyasu*; Niunoya, Sumio*; Yabuki, Yoshio*; Nakayama, Masashi ; Ono, Hirokazu

Japan Atomic Energy Agency is conducting the in-situ experiment for verification of performance of engineered barrier system in Horonobe Underground Research Laboratory. The purpose of this paper is reporting the investigation and construction technique for backfill using rock spoil from URL excavation. This paper also reports the results of quality control of in-situ measurements for backfill.

Language	:	Japanese
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Meeting title	:	土木学会平成27年度全国大会第70回年次学術講演会
Held date	:	2015/09
Location (city)	:	岡山
Location (country)	:	日本
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Keywords	:	幌延深地層研究計画; 人工バリア; 埋め戻し; ベントナイト; 堆積岩; 原位置試験
Research Facility	:	深地層研究所
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Registration No. : BB20143499
JAEA Abstracts No. :
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