Fast physics-chemical characterization of fly ash

被引：0
|
作者：
V. Rahhal
R. Talero
机构：
[1] UNCPBA,Departamento de Ingeniería Civil Facultad de Ingeniería
[2] CSIC,Instituto de Ciencias de la Construcción ‘Eduardo Torroja’
来源：
Journal of Thermal Analysis and Calorimetry | 2009年 / 96卷
关键词：
conduction calorimetry; fly ash; gypsum; heat of hydration; Portland cement;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
This paper analyzes the effect of fly ash chemical character on early Portland cement hydration and the possible adverse effects generated by the addition of gypsum. Behaviour was analyzed for pure Portland cements with varying mineralogical compositions and two types of fly ash, likewise differing in chemical composition, which were previously characterized under sulphate attack as: silicic-ferric-aluminic or aluminic-silicic ash in chemical character, irrespective if they are in nature, siliceous or siliceous and aluminous materials according to the ASTM C 618-94a.
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页码：369 / 374
页数：5
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