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Heavy ion beam measurement of the hydration of cementitious materials

AuthorsLivingston, R. A.; Castellote, M.; Viedma, P. G. de
KeywordsPortland cement
Nuclear resonance reaction analysis
Hydrogen depth profile
Induction time
Issue Date2010
CitationApplied Radiation and Isotopes; Vol. 68; nºs. 4-5; págs. 683-687; (2010)
AbstractThe setting and development of strength of Portland cement concrete depends upon the reaction of water with various phases in the Portland cement. Nuclear resonance reaction analysis (NRRA) involving the 1H(15N,α,γ)12C reaction has been applied to measure the hydrogen depth profile in the few 100 nm thick surface layer that controls the early stage of the reaction. Specific topics that have been investigated include the reactivity of individual cementitious phases and the effects of accelerators and retarders.
Publisher version (URL)http://www.sciencedirect.com/science/article/pii/S0969804309006435
Appears in Collections:(CISDEM) Artículos
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