Ultrafine portland cement performance

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2018-04-13 DOI:10.3989/MC.2018.03317

C. Argiz, E. Reyes, A. Moragues

引用次数: 3

Abstract

By mixing several binder materials and additions with different degrees of fineness, the packing density of the final product may be improved. In this work, ultrafine cement and silica fume mixes were studied to optimize the properties of cement-based materials. This research was performed in mortars made of two types of cement (ultrafine Portland cement and common Portland cement) and two types of silica fume with different particle-size distributions. Two Portland cement replacement ratios of 4% and 10% of silica fume were selected and added by means of a mechanical blending method. The results revealed that the effect of the finer silica fume mixed with the coarse cement enhances the mechanical properties and pore structure refinement at a later age. This improvement is somewhat lower in the case of ultrafine cement with silica fume.

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超细硅酸盐水泥性能

通过混合几种不同细度的粘合剂材料和添加剂，可以提高最终产品的堆积密度。本工作研究了超细水泥和硅灰混合物，以优化水泥基材料的性能。本研究是在两种水泥（超细硅酸盐水泥和普通硅酸盐水泥）和两种不同粒度分布的硅灰制成的砂浆中进行的。采用机械掺混的方法，选择了硅灰的4%和10%两种硅酸盐水泥替代率。结果表明，细硅灰与粗水泥混合后，在后期的力学性能和孔隙结构的细化都得到了提高。在含有硅灰的超细水泥的情况下，这种改善程度略低。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.