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A rationalized a.c. impedence model for microstructural characterization of hydrating cement systems

โœ Scribed by Ping Xie; Ping Gu; Zhongzi Xu; J.J. Beaudoin


Book ID
107728640
Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
383 KB
Volume
23
Category
Article
ISSN
0008-8846

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๐Ÿ“œ SIMILAR VOLUMES


A.C. impedance spectroscopy (II): Micros
โœ Ping Gu; Ping Xie; J.J. Beaudoin; R. Brousseau ๐Ÿ“‚ Article ๐Ÿ“… 1993 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 558 KB

The influence of silica fume on impedance behaviour of hydrating cement has been carefully investigated. The results demonstrate that impedance measurement is very sensitive to changes in hydration kinetics and microstructure development due to the presence of silica fume. A modified equivalent circ

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โœ Ping Gu; Ping Xie; J.J. Beaudoin ๐Ÿ“‚ Article ๐Ÿ“… 1993 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 941 KB

The microstructure of the transition zone between aggregate and cement paste, and the effect of silica fume, slag, fly ash and latex (EVA) aggregate coatings were investigated by means of A.C. impedance measurements. It has been demonstrated experimentally that the A.C. impedance technique has the p

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โœ Ping Gu; Ping Xie; J.J. Beaudoin; R. Brousseau ๐Ÿ“‚ Article ๐Ÿ“… 1992 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 443 KB

A.C. impedance spectroscopy has been used to investigate the mechanism of hydration of portland cement paste, from 48 to 380 hours. Interpretation of a.c. measurements obtained over a wide frequency range was complimented by equivalent circuit modelling. The proposed equivalent circuit was chosen so