種別 論文
主題 析出型炭酸カルシウムコンクリート製造プロセス中のアラゴナイト生成と微細構造変化
副題
筆頭著者 周青松(The University of Tokyo)
連名者1 王偉(The University of Tokyo)
連名者2 丸山一平(The University of Tokyo)
連名者3 野口貴文(The University of Tokyo)
連名者4
連名者5
キーワード demolished concrete、heterogeneous precipitation、Ca extraction、wet carbonation、binder distribution
45
1
先頭ページ 1678
末尾ページ 1683
年度 2023
要旨 A calcium carbonate concrete (CCC) was made based on recycled concrete fines (RCFs) and CO2. Results showed that the hardening mechanism of RCFs-based CCC is due to the entangled aragonite crystals generated at the contacting areas of particles. A dual precipitation process happened in the CCCmaking process, while the hardening mechanism is ascribed to the precipitation from the Ca(HCO3)2 solution. The RCFs with a cement paste layer structure tend to have a higher affinity for combining the precipitated aragonite crystals.
PDFファイル名 045-01-1279.pdf


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