Carbonation of hardened cement pastes: Influence of temperature

被引：145
|
作者：
Drouet, Emeline [1 ]
Poyet, Stephane [1 ]
Le Bescop, Patrick [1 ]
Torrenti, Jean-Michel [2 ]
Bourbon, Xavier [3 ]
机构：
[1] Univ Paris Saclay, CEA, Den Serv Etud Comportement Radionucleides SECR, F-91191 Gif Sur Yvette, France
[2] Univ Paris Est, MAST, IFSTTAR, F-77447 Marne La Vallee, France
[3] Andra, Parc Croix Blanche,1-7 Rue Jean Monnet, F-92298 Chatenay Malabry, France
来源：
CEMENT AND CONCRETE RESEARCH | 2019年 / 115卷
关键词：
Carbonation; Temperature; Humidity; Cement paste; X-RAY-DIFFRACTION; CALCIUM-CARBONATE; ACCELERATED CARBONATION; PORTLAND-CEMENT; WATER TRANSPORT; QUANTITATIVE INTERPRETATION; ELECTRON-MICROSCOPY; SALT-SOLUTIONS; CONCRETE; TRANSFORMATION;
D O I：
10.1016/j.cemconres.2018.09.019
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The impact of temperature on carbonation was investigated in laboratory conditions using a device developed for this purpose. Two hardened cement pastes (CEM I and CEM V/A) were tested between 20 degrees C and 80 degrees C at different levels of relative humidity (RH). The carbonation rate of the CEM I increased with temperature, whereas that of CEM V/A reached a maximum at around 50 degrees C.
引用
收藏
页码：445 / 459
页数：15
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