Hydraulic activity and microstructural characterization of new fly ash-belite cements synthesized at different temperatures

被引:36
作者
Guerrero, A [1 ]
Goñi, S [1 ]
Macías, A [1 ]
Luxán, MP [1 ]
机构
[1] CSIC, Inst Construct Sci Eduardo Torroja, Madrid 28033, Spain
关键词
D O I
10.1557/JMR.1999.0359
中图分类号
T [工业技术];
学科分类号
08 [工学];
摘要
The influence of the synthesis temperature of a new fly ash-belite cement (FABC) on its hydraulic activity and microstructural characteristics is discussed in this work. Three types of FABC were synthesized at 700, 800, and 900 degrees C after a previous hydrothermal treatment at 200 degrees C of the fly ash, CaO, and water mixture. The hydraulic activity of the pastes was evaluated during a period of 200 days from mixing through the combined water content, previously determined from thermogravimetric analyses, and the hydration advance degree by x-ray diffraction (XRD). The microstructure characterization of the pastes was studied by scanning electron microscopy (SEM).
引用
收藏
页码:2680 / 2687
页数:8
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