Composition and structure of C–S–H in white Portland cement–20% metakaolin pastes hydrated at 25 °C

The microstructure and composition of water- and alkali-activated hardened pastes of white Portland cement–20% metakaolin blends have been studied using solid-state NMR spectroscopy and analytical TEM. The results show that after hydration for 1 day nearly half the cement had reacted in the water-ac...

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Bibliographic Details
Published in:	Cement and concrete research Vol. 37; no. 2; pp. 109 - 117
Main Authors:	Love, C.A., Richardson, I.G., Brough, A.R.
Format:	Journal Article
Language:	English
Published:	New York, NY Elsevier Ltd 01-02-2007 Elsevier Science
Subjects:	Applied sciences Buildings. Public works Cement concrete constituents Cements C–S–H Exact sciences and technology Materials Metakaolin NMR Properties and test methods Properties of anhydrous and hydrated cement, test methods TEM Metakaolin C–S–H NMR TEM C-S-H Composition NMR spectrometry Experimental study Portland cement X ray diffraction CSH phase Transmission electron microscopy Hardened cement paste Energy dispersion Microstructure
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