S2: Water Rock Interaction (Special Session)

[S2-05] Reaction-induced fracturing and permeability development in MgO-H₂O system

「発表賞エントリー」

*Hisamu Kasahara¹, Masaoki Uno¹, Atsushi Okamoto¹, Noriyoshi Tsuchiya¹ (1. Tohoku Uni. Environmental Studies)

Keywords: Hydration, Reaction-induced fracturing, Permeability

To understand the different modes of fracturing in water-rock reactions, it is necessary to clarify the relationship between reaction-induced fracturing and permeability development in hydration reaction. In this research, we conducted hydrothermal flow-through experiments using the samples of sintered periclase (MgO) to investigate internal structural change and permeability development during hydration. From this result, the relationship between reaction-induced fracturing and permeability development was discussed.