Detailed in situ ATR-FTIR spectroscopy study of the early stages of C-S-H formation during hydration of monoclinic C3S

被引：85

作者：

Higl, J. ^{[1
]}

Hinder, D. ^{[1
]}

Rathgeber, C. ^{[1
]}

Ramming, B. ^{[1
]}

Linden, M. ^{[1
]}

机构：

[1] Ulm Univ, Inst Inorgan Chem 2, Albert Einstein Allee 11, D-89081 Ulm, Germany

来源：

CEMENT AND CONCRETE RESEARCH | 2021年 / 142卷

关键词：

Cement; Hydration ATR-FTIR spectroscopy; C3S; CH; C-S-H; In situ; Peak fitting; TRICALCIUM SILICATE; SI-29; NMR; ALITE; CEMENT; TOBERMORITE; PASTES;

D O I：

10.1016/j.cemconres.2021.106367

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

The early stages of tricalcium silicate hydration has been studied by in situ ATR-FTIR spectroscopy. A method for data reduction based on background correction and subtraction of spectra of pure components is presented, which makes it possible to describe the kinetic evolution of the calcium silicate hydrate phase upon hydration with great detail. The results obtained are in full agreement with recently reported, detailed solid-state NMR spectroscopy measurements. As ATR-FTIR spectroscopy does not require any isotope enrichment in order to increase the signal intensities and is a widely available technique, we suggest that our study opens up an avenue towards detailed in situ characterization of hydrating cementitious systems and hydrating systems in general.

引用

页数：7

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