Listar por autor "Santacruz-Cruz, María Isabel"
Mostrando ítems 41-60 de 116
-
Effect of calcium sulfate source on the hydration of calcium sulfoaluminate eco-cement
García-Maté, Marta; Gómez-de-la-Torre, María de los Ángeles
; León-Reina, Laura; Ramírez-Losilla, Enrique; García-Aranda, Miguel Ángel; Santacruz-Cruz, María Isabel[et al.] (2014)
The availability of cements, including eco-cements, with tailored mechanical properties is very important for special applications in the building industry. Here we report a full study of the hydration of calcium sulfoaluminate ... -
Effect of different retarders on the hydration of calcium sulfoaluminate eco-cement pastes
García-Maté, Marta; Gómez-de-la-Torre, María de los Ángeles; García-Aranda, Miguel Ángel; Santacruz-Cruz, María Isabel (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 ... -
Effect of Microencapsulated Phase Change Materials on the Flow Behavior of Cement Composites
García Sanfélix, Susana; Santacruz-Cruz, María Isabel; Szczotok, Anna M.; Belloc, Luis Miguel O.; Gómez-de-la-Torre, María de los Ángeles; Kjøniksen, Anna-Lena[et al.] (2019)
Microencapsulated phase change materials (MPCMs) were incorporated into cement pastes of Portland cement (PC). Minislump tests and rheological properties of cement pastes containing three MPCMs with different surfaces ... -
Empleo conjunto de difracción de rayos X de polvo y microtomografía de laboratorio en la hidratación del cemento Portland.
Fernández-Sánchez, Jaime; Cuesta-García, Ana María; Shirani, Shiva; Redondo-Soto, Cinthya; Gómez-de-la-Torre, María de los Ángeles; Santacruz-Cruz, María Isabel; León-Reina, Laura; Salcedo, Inés R.; García-Aranda, Miguel Ángel[et al.] (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 ... -
Enhancing fluidity and mechanical properties in Limestone Calcined Clay cements with one-third Portland clinker content
Morales-Cantero, Alejandro; Vallina, Diego; Gómez-de-la-Torre, María de los Ángeles; Cuesta, Ana; Santacruz-Cruz, María Isabel; Dalla-Libera, Alessandro; Borralleras, Pere; Dhers, Sebastien; Schwesig, Peter; Mazanec, Oliver; García-Aranda, Miguel Ángel[et al.] (Elsevier, 2024)
Limestone Calcined Clay Cements (LC3) are attracting considerable attention due to their low CO2 footprints and relatively fast hydration kinetics. LC3-50 formulations (approximately 50% Portland clinker, 30% kaolinitic ... -
Experimental and theoretical high pressure study of calcium hydroxyaluminate phases
Cuesta-García, Ana María; Pawel, Rejmak; Ayuela, Andrés; Gómez-de-la-Torre, María de los Ángeles; Santacruz-Cruz, María Isabel; Carrasco, Lucia F.; Popescu, Catalin; García-Aranda, Miguel Ángel[et al.] (Elsevier, 2017)
Five calcium hydroxyaluminate phases have been investigated by synchrotron powder diffraction at high-pressure: two hydrogarnets, kuzelite, stratlingite and ettringite. The obtained bulk modulus, K0, for kuzelite, stratlingite ... -
General correlation between R3 test results and compressive strengths for five families of supplementary cementitious material
Koufany, Imane; Gómez-de-la-Torre, María de los Ángeles; Redondo-Soto, Cinthya; Santacruz-Cruz, María Isabel; Cuesta-García, Ana María; Gastaldi, Daniela; Canonico, Fulvio; Mazanec, Oliver; García-Aranda, Miguel Ángel[et al.] (Elsevier, 2025-06-04)
The incorporation of locally available supplementary cementitious materials (SCMs) in cement blends is essential for reducing the environmental impact of construction. However, assessing the pozzolanic kinetics, and thus ... -
Hidratación y prestaciones mecánicas de cementos LC3 con arcillas caoliníticas calcinadas españolas
Santacruz-Cruz, María Isabel; Bernal, Isabel M.R.; Cuesta-García, Ana María; Gómez-de-la-Torre, María de los Ángeles; García-Aranda, Miguel Ángel (2022-06)
La búsqueda de alternativas que reduzcan esas emisiones es prioritario. Dentro de esas estrategias se encuentra la sustitución parcial de cemento por material cementicio suplementario (SCM, de sus siglas en inglés, ... -
Hydration Activation of Alite-Belite-Ye’elimite Cements by Doping with Boron
Zea-Garcia, Jesus D.; Sanfélix, Susana G.; Vallcorba, Oriol; García-Aranda, Miguel Ángel; Santacruz-Cruz, María Isabel; Gómez-de-la-Torre, María de los Ángeles[et al.] (2020)
The hydration behavior of two alite-belite-ye’elimite (ABY) cements has been studied. The production of these materials releases into atmosphere ∼17% less CO2 compared to Portland cement. The ABY cement contains alite, ... -
Hydration characteristics and mechanical performances of LC3 binders with spanish kaolinitic calcined clays
Bernal, Isabel M.R.; Cuesta-García, Ana María; Gómez-de-la-Torre, María de los Ángeles; Santacruz-Cruz, María Isabel; García-Aranda, Miguel Ángel (2022)
Limestone Calcined Clay Cements (LC3) are binders with complex phase development and microstructures. Although the hydration chemistry of these cements are being widely researched [1], due to the clay mineralogy variability, ... -
Hydration development and thermal performance of calcium sulphoaluminate cements containing microencapsulated phase change materials
Sanfélix, Susana G.; Zea-Garcia, Jesus D.; Londono-Zuluaga, Diana; Santacruz-Cruz, María Isabel; Gómez-de-la-Torre, María de los Ángeles; Kjøniksen, Anna-Lena[et al.] (2020-03-24)
Microencapsulated phase change materials (MPCM) incorporated in buildings walls can reduce indoor temperature fluctuations, conserving energy and enhancing thermal comfort. MPCM were incorporated in calcium sulphoaluminate ... -
Hydration of Belite-Ye’elimite-Ferrite(BYF) cements with different calcium sulfate sources
Álvarez-Pinazo, Gema; Santacruz-Cruz, María Isabel; García-Aranda, Miguel Ángel; Gómez-de-la-Torre, María de los Ángeles (ICE publishing, 2016-07)
Belite-Ye’elimite-Ferrite cements, BYF, are a sustainable alternative to OPC to reduce CO2 emissions. The aim of this research is to understand the influence of the sulfate source on the hydration of two laboratory-prepared ... -
Hydration of C4AF in the presence of other phases: A synchrotron X-ray powder diffraction study
Cuesta-García, Ana María; Santacruz-Cruz, María Isabel; Sanfeliz-Garcia, Susana; Fauth, François; García-Aranda, Miguel Ángel; Gómez-de-la-Torre, María de los Ángeles[et al.] (Elsevier, 2015)
Hydration behaviour of C4AF in selected experimental conditions has been determined. C4AF has been hydrated in the absence and presence of gypsum, two polymorphs of ye’elimite and different water/solid ratios. C4AF in ... -
Hydration Reactions and Mechanical Strength Developments of Iron- Rich Sulfobelite Eco-cements
Álvarez-Pinazo, Gema; Santacruz-Cruz, María Isabel; León-Reina, Laura; García-Aranda, Miguel Ángel; Gómez-de-la-Torre, María de los Ángeles (2013)
Belite calcium sulfoaluminate (BCSA) cements are low-CO2 building materials. However, their hydration behavior and its effect on mechanical properties have still to be clarified. Here, we report a full multitechnique study ... -
Hydration studies of calcium sulfoaluminate cements blended with fly ash
García-Maté, Marta; Gómez-de-la-Torre, María de los Ángeles; León-Reina, Laura; García-Aranda, Miguel Ángel; Santacruz-Cruz, María Isabel (Elsevier, 2013)
The main objective of this work is to study the hydration and properties of calciumsulfoaluminate cement pastes blended with fly ash (FA) and the corresponding mortars at different hydration ages. Laboratory X-ray ... -
Hydration study of alite-ye’elimite-anhydrite phases associated to BAY cement
Londono-Zuluaga, Diana; Tobón, Jorge Iván; García-Aranda, Miguel Ángel; Santacruz-Cruz, María Isabel; Gómez-de-la-Torre, María de los Ángeles (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 ... -
Hydration study of Belite-Alite Calcium Sulfoaluminate (BACSA) cement blended with fly ash
Londono-Zuluaga, Diana; Tobón, Jorge Iván; García-Aranda, Miguel Ángel; Santacruz-Cruz, María Isabel; Gómez-de-la-Torre, María de los Ángeles (2015-10-26)
The main objective of this work is to understand the effect of the addition of fly ash (0, 15 and 30 wt%) in the hydration of a BACSA cement paste (water/cement=0.4) prepared with 12 wt% of anhydrite. The pastes were ... -
In situ hydration imaging study of a ye'elimite paste by ptychographic x-ray computed tomography
Cuesta-García, Ana María; Gómez-de-la-Torre, María de los Ángeles; Santacruz-Cruz, María Isabel; Trtik, Pavel; Da Silva, Julio C.; Cuesta-García, Ana María; Holler, Mirko; García-Aranda, Miguel Ángel[et al.] (2017)
Eco-cements are a desirable alternative to ordinary Portland cements because of their lower CO2 footprints. For instance, the manufacture of Calcium SulfoAluminate (CSA) cements is more environmentally friendly than that ... -
In situ synchrotron powder diffraction study of LC3 cement activation at very early ages by C-S-H nucleation seeding.
Morales-Cantero, Alejandro; Gómez-de-la-Torre, María de los Ángeles; Cuesta-García, Ana María; Santacruz-Cruz, María Isabel; Bernal, Isabel M.R.; Mazanec, Oliver; Dalla-Libera, Alessandro; Borralleras, Pere; García-Aranda, Miguel Ángel[et al.] (Elsevier, 2024-02-22)
Limestone Calcined Clay Cements, LC3, are being widely researched as low-carbon binders. However, the hydration reactions during the first day are key for their performances and they were not well known. Here, we employ ... -
In-situ early age hydration of cement-based materials by synchrotron X-ray powder diffraction
García-Maté, Marta; Álvarez-Pinazo, Gema; León-Reina, Laura; Gómez-de-la-Torre, María de los Ángeles; Santacruz-Cruz, María Isabel; García-Aranda, Miguel Ángel; Chou, K. W.; Neuhausen, U.; Petrash, S[et al.] (2015-07-01)
Cement based binders are building materials of worldwide importance. Since these samples are very complex, the knowledge/control of their mineralogical composition are essential to design and predict materials with ...