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A spectroscopic NMR investigation of the calcium silicate hydrates present in cement and concrete

Abstract : NMR spectroscopy is applied to study microstructure of calcium silicate hydrates present in cement and concrete. It is shown that 29Si NMR gives information on the siliceous skeleton of the hydrates. 1H NMR, using CRAMPS techniques, allows to discriminate between protons linked to silicon atoms or to calcium atoms. A first investigation of reference compounds indicates that 43Ca NMR will be powerful to determine calcium atom sites in the structure.
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https://hal.sorbonne-universite.fr/hal-02318973
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Submitted on : Thursday, October 17, 2019 - 3:37:37 PM
Last modification on : Wednesday, October 14, 2020 - 3:50:47 AM

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Hélène Zanni, Racha Rassem-Bertolo, Sylvie Masse, Lorenzo Fernandez, Pedro Nieto, et al.. A spectroscopic NMR investigation of the calcium silicate hydrates present in cement and concrete. Magnetic Resonance Imaging, Elsevier, 1996, 14 (7-8), pp.827-831. ⟨10.1016/S0730-725X(96)00211-1⟩. ⟨hal-02318973⟩

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