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天然亀裂への高pH溶液の通水実験結果に対するベンチマーク解析

Benchmark analysis of the flow through experiment of high pH solution to natural fracture

山口 耕平; 本田 明; 稲垣 学; 油井 三和; 齋藤 宏則*

Yamaguchi, Kohei; Honda, Akira; Inagaki, Manabu; Yui, Mikazu; Saito, Hironori*

国際共同研究LCS(Long-term Cement Study)の一環として、花崗岩中の天然亀裂コアへの高pH溶液の通水実験結果(Mader et al., 2006)を用いて、化学反応とこれに伴う物質輸送特性の変化に関するベンチマーク解析を行った。その結果、実験的に観察された閉塞傾向を、物質輸送・化学反応連成モデルにより再現することができた。

The bench mark analysis concerning the change in the material transportation characteristic according to the chemical reaction were done by using pass experiment result (Mader et al., 2006) of the high pH solution to the natural crack core in granite as part of international collaboration LCS (Long-term Cement Study). We were able to reproduce the observed blockage tendency as a result experimentally the material transportation model characteristic according to the chemical reaction.

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