Evaluation method of pH elevation caused by reaction between cement hydrates and saline water

Masuda, Kenta; Honda, Akira; Fujita, Hideki*; Negishi, Kumi*

It is important for evaluating the migration behavior of radionuclides and the influence of high pH plume on the barrier components to understand the chemistry of cement pore water. In order to understand the pH elevation of the cement pore water, OPC pastes were immersed in NaCl solution. The experimental results were analyzed using geochemical model. The pH elevation can be interpreted using the initial OPC hydrates composition which takes Al included in C-S-H gel into account.

Language	:	Japanese
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Meeting title	:	日本原子力学会2008年秋の大会
Held date	:	2008/09
Location (city)	:	香美
Location (country)	:	日本
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Keywords	:	no keyword
Research Facility	:	ENTRY(地層処分基盤研究施設)
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Registration No. : BB20080595
JAEA Abstracts No. :
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