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Clinkering and early age hydration characterization of Belite-Alite Calcium Sulfoaluminate (BACSA) cements
(2015-10-26)
In this work, four BACSA clinkers with different compositions (belite ~ 70-55 wt %, alite ~ 10-15 wt % and ye’elimite ~ 10-15 wt %) were synthesized (at laboratory scale). Lime, gypsum, kaolin and sand were used as raw ...
Pair distribution function studies in cementitious systems
(2017-10-24)
The analysis of amorphous/nanocrystalline phase(s) within cement matrices that contain high amounts of crystalline phase(s) is very challenging. Synchrotron techniques can be very useful to characterize such complex samples.1 ...
Synthesis and scaled-up of non-active and active Belite-Alite-Ye'elimite clinker (BAY)
(2017-05-17)
Ordinary Portland cement (OPC) is an environmentally contentious material, as for every ton of OPC produced, ~0.97 tons of CO2 are released. This opens the need of designing new formulations of cements formed by low calcite ...
Hydration study of alite-ye’elimite-anhydrite phases associated to BAY cement
(2017-10-18)
An alternative to decrease CO2 emissions from OPC production consists on the development of a new kind of eco-cements composed by less calcite demanding phases, such as belite and ye'elimite. That is the case of ...
Materiales puzolánicos para bajar las emisiones de CO2: soluciones locales para un problema global.
(2023)
In recent decades, the cement sector has been looking for solutions to reduce the carbon footprint, being one of the most promising strategies, the replacement of clinker with supplementary cementitious materials, SCMs. ...
Empleo conjunto de difracción de rayos X de polvo y microtomografía de laboratorio en la hidratación del cemento Portland.
(2023)
Se trataron los aspectos más generales sobre la química del cemento, la ciencia del hormigón, el empleo de nuevos materiales más eco-eficientes en la preparación de nuevos sistemas cementantes, revalorización de residuos ...
X-RAY microtomographic studies of LC3 and related binders
(EPFL, 2022-07)
LC3 type cements do not need introduction in this conference, neither the importance of studying the
microporosity features (amount, size(s), connectivities, etc.). However, analysing the porosity in an
accurate, ...
Cementos de arcillas calcinadas y caliza preparados en la Universidad de Málaga
(2022)
Adjuto documento
Effect of different retarders on the hydration of calcium sulfoaluminate eco-cement pastes
(2014-07-09)
The manufacture of Calcium SulfoAluminate (CSA) cements is more environmentally friendly than that of OPC [1] as their production releases up to 40% less CO2 than the latter. The main performances of CSA cements are fast ...
X-ray powder diffraction applied to cement related phases: in-situ and high resolution applications
(2014-07-03)
XRPD is a powerful tool for material characterization in general, and for in-situ studies of chemical processes in particular. The use of an intense X-ray source, .i.e. synchrotron X-rays, coupled with fast X-ray detection ...