5 September 2014 Dimensional stability of materials based on Portland cement at the early stages
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Abstract
In this work two fiber optic sensing techniques are used to study the dimensional stability in fresh state of different cementitious materials. A conventional Portland cement mortar and two commercial grouts were selected. The measurements were performed by using a Bragg grating embedded in the material and a non-contact Fizeau interferometer. The first technique was applied in a horizontal sample scheme, and the second one, by using a vertical configuration. In addition, a mechanical length comparator was used in the first case in order to compare the results. The evolution with time of the dimensional changes of the samples and the analysis of the observed behavior are included.
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Angélica Mesa Yandy, Angélica Mesa Yandy, Raúl L. Zerbino, Raúl L. Zerbino, Graciela M. Giaccio, Graciela M. Giaccio, Nélida A. Russo, Nélida A. Russo, Ricardo Duchowicz, Ricardo Duchowicz, } "Dimensional stability of materials based on Portland cement at the early stages ", Proc. SPIE 9202, Photonics Applications for Aviation, Aerospace, Commercial, and Harsh Environments V, 92021U (5 September 2014); doi: 10.1117/12.2062222; https://doi.org/10.1117/12.2062222
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