Radiation-Induced Volume Expansion in Concrete Aggregate Minerals Studied by Ion Irradiation and Step Height Measurement
著者:
Muammar Hawary Patris Kenta Murakami Luu Vu Nhut Xinrun Chen （長岡技科大） Ippei Maruyama （名古屋大） Takahiro Ohkubo （千葉大） Kiyoteru Suzuki （三菱総研）
発刊日:
公開日:
aggregate mineralsamorphizationIon irradiationradiation-induced volume expansion
Muammar Hawary Patris Kenta Murakami Luu Vu Nhut Xinrun Chen （長岡技科大） Ippei Maruyama （名古屋大） Takahiro Ohkubo （千葉大） Kiyoteru Suzuki （三菱総研）
発刊日:
公開日:
カテゴリ: 第17回
キーワードタグ:aggregate mineralsamorphizationIon irradiationradiation-induced volume expansion
概要
Long-term radiation exposure can cause damage of concrete structures due to the volume expansion of the aggregate minerals. In this study, granite, sandstone, and tuff were irradiated with 2.8 MeV Fe2+ at room temperature to different level of ion fluences. Step height measurement was conducted to quantify the volume change. It was found that the swelling of all minerals saturated at around 300 nm. Tuff, which contains almost all silica, exhibited the fastest swelling, among others.
