Improving the structure of the interfacial zone and its influence on the long-term behavior of mortars

被引：0
|
作者：
Shen Yang
Xu Zhongzi
Tang Mingshu
机构：
[1] Nanjing University of Chemical Technology,Department of Materials Science and Engineering
来源：
Materials and Structures | 1998年 / 31卷 / 4期
关键词：
Compressive Strength; Flexural Strength; Portland Cement; Hydrated Product; Hydrated Calcium Silicate;
D O I：
10.1007/BF02480420
中图分类号：
学科分类号：
摘要：
The structure of the interfacial zone between cement paste and aggregate was improved by using a pretreated quartz aggregate on whose surface the hydraulic mineral β−C2S was directly formed. The composition and morphology of the structure of the interfacial zone was examined, and its influence was studied by comparisons between mortars made with pretreated quartz aggregate and with normal quartz aggregate. The results showed that the composition and morphology of the interfacial zone were substantially improved by the hydration of the mineral β−C2S of the pretreated quartz aggregate. The influence of the interfacial structure on the strength of mortars was related to structural development. It appears to be slight at early hydration, but significant at late hydration.
引用
收藏
页码：230 / 234
页数：4
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