In situ tomographic investigation on the early hydration behaviors of cementing systems

Gastaldi, D; Canonico, F; Capelli, L; Boccaleri, E; Milanesio, M; Palin, L; Croce, G; Marone, F; Mader, K; Stampanoni, M

doi:10.1016/j.conbuildmat.2011.10.016

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Gastaldi, D., Canonico, F., Capelli, L., Boccaleri, E., Milanesio, M., Palin, L., Croce, G., Marone, F., Mader, K., & Stampanoni, M. (2012). In situ tomographic investigation on the early hydration behaviors of cementing systems. Construction and Building Materials, 29, 284–290. https://doi.org/10.1016/j.conbuildmat.2011.10.016

Abstract

The early hydration of three cementing materials has been investigated in situ by Synchrotron X-ray Tomographic Microscopy thanks to an automatic sample exchanger recently integrated at the TOMCAT beamline at the Swiss Light Source in Villigen (CH). Hydration has been investigated by following the three dimensional evolution of pastes up to 12 h, with particular attention to the consumption of anhydrous phases, the formation of hydrates and to changes in microstructure. A lecture key for the interpretation of the tomographic images is