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地層処分におけるグラウト技術の高度化開発,11; グラウト影響評価技術の開発

The Project for grouting technology development for the high level radioactive waste repository, 11; Development of assessment technology for grouting effects

笹本 広   ; 油井 三和; 内藤 守正 ; Walker, C.; 藤崎 淳*; 高瀬 博康*

Sasamoto, Hiroshi; Yui, Mikazu; Naito, Morimasa; Walker, C.; Fujisaki, Kiyoshi*; Takase, Hiroyasu*

地下坑道の掘削,施工段階での湧水対策として、セメント系グラウト材料の利用を想定し、岩盤の長期的な影響評価に基づくセメント材料の適用性評価にかかわる手法検討を行っている。本件では、影響評価のためのアプローチ及び評価に必要となるモデルやデータベースの開発・整備状況、それらを用いた検討例について報告する。

Development of a method to evaluate applicability of cementitious materials based on the implications for long-term safety has been performed considering the use of cementitious grout materials for reduction of water leakage during the stages of drilling of drift and implementation. In this study, an approach to evaluate the effects on alteration behavior of rock, the status of development of necessary model and database and a test case for evaluation are presented.

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