INFLUENCE OF BALIUM OXIDE ON MINERAL COMPOSITION OF THE LOW BURNING-TEMPERATURE TYPE CLINKER AND PROPERTIES OF THE CEMENT

DOI Web Site 3 References
  • CHABAYASHI Takashi
    TOKUYAMA CORPORATION, Development Dept. Cement Business Div.（1-1, Mikage-cho, Shunan-shi, Yamaguchi 745-8648, Japan） SHIMANE UNIVERSITY, Science of Environmental Systems, Graduate School of Natural Science and Technology（1060, Nishikawatu-cho Matsue-shi Shimane 690-8504, Japan）
  • OTA Masami
    TOKUYAMA CORPORATION, Development Dept. Cement Business Div.（1-1, Mikage-cho, Shunan-shi, Yamaguchi 745-8648, Japan）
  • KATO Hiroyoshi
    TOKUYAMA CORPORATION, Development Dept. Cement Business Div.（1-1, Mikage-cho, Shunan-shi, Yamaguchi 745-8648, Japan）
  • ATARASHI Daiki
    SHIMANE UNIVERSITY, Science of Environmental Systems, Graduate School of Natural Science and Technology（1060, Nishikawatu-cho Matsue-shi Shimane 690-8504, Japan）

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Other Title
  • BaOが低温焼成型組成のクリンカー鉱物およびセメントの物性に及ぼす影響

Abstract

<p>The low-temperature burning type clinker with an adjusted mineral composition is expected to save energy in the burning process in cement production, but there is concern that the long-term strength of the cement will decrease due to the composition change. In this study, we investigated the influence of BaO on the clinker mineral composition and the quality of cement for a low-temperature burning type composition, with the aim of improving long-term strength by improving the hydration reactivity of belite. As a result, it was found that BaO affects the crystal phase composition of belite, and α’-belite is stabilized as the BaO content increases. In addition, it was confirmed that the long-term strength development of the cement tended to improve as the BaO content increased, and it was presumed that this was due to the improvement in the hydration reaction of α’-belite with the increase in the BaO content.</p>

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