Characterization by solid-state NMR and selective dissolution techniques of anhydrous and hydrated CEM V cement pastes

被引：78

作者：

Brunet, F. ^{[1
]}

Charpentier, T. ^{[1
]}

Chao, C. N. ^{[2
]}

Peycelon, H. ^{[2
]}

Nonat, A. ^{[3
]}

机构：

[1] CEA, IRAMIS, Serv Interdisciplinaire Syst Mol & Mat, LSDRM, F-91191 Gif Sur Yvette, France

[2] CEA, DPC, Serv Corros & Comportement Mat Leur Environm, F-91191 Gif Sur Yvette, France

[3] Univ Bourgogne, CNRS, UMR 5209, Inst Carnot Bourgogne, F-21078 Dijon, France

来源：

CEMENT AND CONCRETE RESEARCH | 2010年 / 40卷 / 02期

关键词：

Hydration (A); Amorphous material (B); Blended cement (D); NMR spectroscopy; SI-29 MAS NMR; C-S-H; FURNACE SLAG CEMENT; HIGH-RESOLUTION NMR; AL-27; NMR; PORTLAND CEMENTS; SILICATE PHASES; CALCIUM; ALUMINUM; QUANTIFICATION;

D O I：

10.1016/j.cemconres.2009.10.005

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

The long term behaviour of cement based materials is strongly dependent on the paste microstructure and also on the internal chemistry. A CEM V blended cement containing pulverised fly ash (PFA) and blastfurnace slag (BFS) has been studied in order to understand hydration processes which influence the paste microstructure. Solid-state NMR spectroscopy with complementary X-ray diffraction analysis and selective dissolution techniques have been used for the characterization of the various phases (C3S, C2S, C(3)A and C(4)AF) of the clinker and additives and then for estimation of the degree of hydration of these same phases. Their quantification after simulation of experimental Si-29 and Al-27 MAS NMR spectra has allowed us to follow the hydration of recent (28 days) and old (10 years) samples that constitutes a basis of experimental data for the prediction of hydration model. (C) 2009 Elsevier Ltd. All rights reserved.

引用

页码：208 / 219

页数：12

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