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The morphology of C-S-H: Lessons from H nuclear magnetic resonance relaxometry

Valori, A, McDonald, PJ and Scrivener, KL (2013) The morphology of C-S-H: Lessons from H nuclear magnetic resonance relaxometry Cement and Concrete Research, 49. pp. 65-81.

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H nuclear magnetic resonance has been applied to cement pastes, and in particular calcium silicate hydrate (C-S-H), for the characterisation of porosity and pore water interactions for over three decades. However, there is now renewed interest in the method, given that it has been shown to be non-invasive, non-destructive and fully quantitative. It is possible to make measurements of pore size distribution, specific surface area, C-S-H density and water fraction and water dynamics over 6 orders of magnitude from nano- to milli-seconds. This information comes in easily applied experiments that are increasingly well understood, on widely available equipment. This contribution describes the basic experiments for a cement audience new to the field and reviews three decades of work. It concludes with a summary of the current state of understanding of cement pore morphology from the perspective of H NMR. © 2013 Elsevier Ltd. All rights reserved.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Physics
Authors :
Date : 2013
Identification Number : 10.1016/j.cemconres.2013.03.011
Additional Information : NOTICE: this is the author’s version of a work that was accepted for publication in Cement and Concrete Research. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Cement and Concrete Research, 49, July 2013, 10.1016/j.cemconres.2013.03.011.
Depositing User : Symplectic Elements
Date Deposited : 01 May 2013 15:09
Last Modified : 23 Sep 2013 20:06

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