Calorimetry of portland cement with silica fume and gypsum additions

被引：0
|
作者：
V. Rahhal
O. Cabrera
R. Talero
A. Delgado
机构：
[1] UNCPBA,Civil Engineering Department, Faculty of Engineering
[2] CSIC,Eduardo Torroja Institute for Construction Science
来源：
Journal of Thermal Analysis and Calorimetry | 2007年 / 87卷
关键词：
gypsum; heat of hydration; Portland cements; pozzolanicity; silica fume;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The use of active mineral additions is an important alternative in concrete design. Such use is not always appropriate, however, because the heat released during hydration reactions may on occasion affect the quality of the resulting concrete and, ultimately, structural durability. The effect of adding up to 20% silica fume on two ordinary Portland cements with very different mineralogical compositions is analyzed in the present paper. Excess gypsum was added in amounts such that its percentage by mass of SO3 came to 7.0%.
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页码：331 / 337
页数：6
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