C4A3S? hydration,ettringite formation,and its expansion mechanism: III. Effect of CaO,NaOH and NaCl; conclusions |
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| Authors: | K Ogawa DM Roy |
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| Affiliation: | Onoda Cement Co., Ltd., Tokyo, Japan;Materials Research Laboratory, The Pennsylvania State University University Park, PA 16802, USA |
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| Abstract: | C4A3S? hydration, the mechanism of C4A3S? expansion, and ettringite formation have been examined in a 3-part study. In this part, the amount of ettringite formed and the degree of C4A3S? hydration were determined in systems deficient in Ca(OH)2 and in NaOH- and NaCl-containing systems. Effects of hydration temperature (27, 45, and 60°C) were examined, and mechanisms were compared. |
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| Keywords: | C CaO A S? H S |
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