[2F21-24] In-situ Test

[2F23] In-situ mock-up test on the hydrochemical influence of cement materials to groundwater

*Teruki Iwatsuki¹, Hiroaki Murakami¹, Yusuke Watanabe¹, Kenji Fukuda¹ (1. JAEA)

Keywords:Drift closure test, Granite, Groundwater, Cement, Hydrochemical change

Drift closure test at the depth of 500 m in the granitic rock was carried out to understand the hydrochemical influence of cement materials to groundwater. In the end, the amount of cement material to evolve the alkaline groundwater was quantitatively evaluated.