The determination of the influence of pH value of curing conditions on Portland cement hydration

被引：27
|
作者：
Siler, Pavel [1 ]
Kolarova, Iva [1 ]
Sehnal, Tomas [1 ]
Masilko, Jiri [1 ]
Opravil, Tomas [1 ]
机构：
[1] Brno Univ Technol, Fac Chem, Ctr Mat Res, CS-61090 Brno, Czech Republic
来源：
ECOLOGY AND NEW BUILDING MATERIALS AND PRODUCTS 2016 | 2016年 / 151卷
关键词：
Portland cement; mechanical properties; thermal analysis; X-ray diffraction; pH value; COMPRESSIVE STRENGTH; REGIMES; MORTARS;
D O I：
10.1016/j.proeng.2016.07.393
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Water composition during cement hydration can be changed due to migration of ions from the cement matrix to the solution. The storage of various materials together can lead to transfer of various ions and distortion of results. This article is aimed on the influence of storage environment on the Portland cement hydration and hydrated samples composition. Test specimens were prepared and stored in different environments. Storage environments were ultrapure water and solutions having alkaline and acidic pH value. The mechanical properties were measured after 1, 7 and 28 days. Composition of samples stored in different environment was tested by X-ray diffraction and DTA analysis. (C) 2016 Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license.
引用
收藏
页码：10 / 17
页数：8
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