Abstracts for Annual Meeting of Japan Association of Mineralogical Sciences
2016 Annual Meeting of Japan Association of Mineralogical Sciences
Session ID : S2-14
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S2: Water Rock Interaction
Controlling factors of reaction-induced stress and strain during hydration reactions: Experimental investigation in CaSO4–H2O system
*Masaoki UnoAtsushi OkamotoNoriyoshi Tsuchiya
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CONFERENCE PROCEEDINGS FREE ACCESS

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Abstract

To investigate the controlling factors of reaction-induced stress and strain during hydration reactions, the reaction-induced stress and strain were directly measured in CaSO4–H2O system. The results show that reaction-induced stress and strain are primarily controlled by the competitions between reaction rate and deformation rate. This competition determines fracture generations and permeability enhancement, and thus can contribute to the fluid distribution within the wedge mantle and crust.

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© 2016 Japan Association of Mineralogical Sciences
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