Differential scanning calorimetry study of hydrated ground granulated blast-furnace slag

被引：78
|
作者：
Sha, W [1 ]
Pereira, GB [1 ]
机构：
[1] Queens Univ Belfast, Sch Civil Engn, Belfast BT7 1NN, Antrim, North Ireland
来源：
CEMENT AND CONCRETE RESEARCH | 2001年 / 31卷 / 02期
关键词：
hydration; characterisation; hydration products; thermal analysis; granulated blast-furnace slag;
D O I：
10.1016/S0008-8846(00)00472-5
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The present work involves using differential scanning calorimetry (DSC) in an investigation of the thermal behaviour of hydration products in ground granulated blast-furnace slag (ggbs). The two-step loss of water from calcium silicate hydrates and dehydroxylation of calcium hydroxide (Ca(OH)(2)) contribute, respectively, to the two major peaks in the DSC curves. Peaks due to the formation of ettringite and Fe2O3 solid solution were also found. The crystallisation peaks from amorphous phases in the ggbs are also significant in the DSC thermograms. (C) 2001 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：327 / 329
页数：3
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