Listar QICM - Contribuciones a congresos científicos por autor "Santacruz-Cruz, María Isabel"
Mostrando ítems 1-20 de 53
-
Activation of LC3 binders by C-S-H nucleation seeding with a new tailored admixture for low-carbon cements.
Cuesta-García, Ana María; Morales-Cantero, Alejandro; Gómez-de-la-Torre, María de los Ángeles
; Santacruz-Cruz, María Isabel; Manzanec, Oliver; Dalla-Libera, Alessandro; Dhers, Sebastien; Schwesig, Peter; Borralleras, Pere; García-Aranda, Miguel Ángel[et al.] (2023)
The use of supplementary cementitious materials is currently the most favorable strategy for reducing CO2 emissions in cements. Limestone Calcined Clay Cements, LC3, are a type of cement that allows the reduction of CO2 ... -
Activation of LC3 low-carbon cements by C-S-H seeding.
Morales-Cantero, Alejandro; Gómez-de-la-Torre, María de los Ángeles; Cuesta-García, Ana María; Santacruz-Cruz, María Isabel; Mazanec, Oliver; Dalla-Libera, Alessandro; Dhers, Sebastien; Schwesig, Peter; Borralleras, Pere; García-Aranda, Miguel Ángel[et al.] (2023)
Portland-based Limestone Calcined Clay Cements (LC3) are attracting a lot of the attention from scholars and field applications due to the reduction in CO2 emissions. However, their low mechanical strengths at early ages ... -
Advanced 3D nanoimaging of cement paste hydration using synchrotron Xray ptychographic tomography
Shirani, Shiva; Cuesta, Ana; Santacruz-Cruz, María Isabel; Gómez-de-la-Torre, María de los Ángeles; Diaz, Ana; Trtik, Pavel; Holler, Mirko; García-Aranda, Miguel Ángel[et al.] (2024-06-25)
Hydration of Portland cements (PC) is a complex phenomenon caused by the presence of multiple components with multi-length scale variability. To investigate this complicated process, state-of-theart 3D nanoimaging ... -
Advanced synchrotron studies of ye'elimite-based cement pastes
García-Aranda, Miguel Ángel; Cuesta-García, Ana María; Gómez-de-la-Torre, María de los Ángeles; Santacruz-Cruz, María Isabel (2018-07-18)
Synchrotron characterization techniques [1] are being used to study Portland-based cements and recently also CSA and related cements. A key property of these techniques is that they do not require sample preparation, so ... -
Alite hydration mechanism in presence of ye’elimite related to BAY cements
Londono-Zuluaga, Diana; Tobón, Jorge Iván; García-Aranda, Miguel Ángel; Santacruz-Cruz, María Isabel; Gómez-de-la-Torre, María de los Ángeles (2019-10-08)
One alternative to decrease CO2 emissions from ordinary Portland Cement (OPC) production consists on the development of a new kind of eco-cements composed by less calcite demanding phases. That is the case of ... -
ANALYSIS OF BUILDING MATERIALS BY SYNCHROTRON X-RAY IMAGING
Shirani, Shiva; Cuesta-García, Ana María; Morales-Cantero, Alejandro; Gómez-de-la-Torre, María de los Ángeles; Santacruz-Cruz, María Isabel; García-Aranda, Miguel Ángel[et al.] (-, 2021-01)
Building materials have complex hierarchical microstructures. The largest components are coarse aggregates with dimensions larger than a few centimetres and the smallest ones are the calcium silicate hydrate (C-S-H) gel ... -
Aplicación de estrategias de aprendizaje para la adquisición de competencias profesionales y su evaluación mediante una rúbrica integradora en diversos títulos de grado de la Universidad de Málaga
Santacruz-Cruz, María Isabel; Díaz-Ramos, Antonio; López-Guerrero, María del Mar; Aranda-Garrido, María Lourdes; Martín-Valero, Rocío; Ruiz-Párraga, Gema Teresa; Jiménez-Lara, Antonio Jesús; Gutiérrez-Pérez, Antonia[et al.] (2015-07-28)
El Espacio Europeo de Educación Superior ha supuesto importantes cambios en el proceso de enseñanza-aprendizaje para la adquisición de competencias transversales y específicas. La calidad es un factor estratégico, por lo ... -
Applications of synchrotron x-ray powder diffraction in hydrated cements: high-resolution and high-pressure studies
Cuesta-García, Ana María; Gómez-de-la-Torre, María de los Ángeles; Santacruz-Cruz, María Isabel; Popescu, Catalin; García-Aranda, Miguel Ángel (2016-07-12)
The main aim of this study is to apply synchrotron radiation techniques for the study of hydrated cement pastes. In particular, the tetracalcium aluminoferrite phase, C4AF in cement nomenclature, is the major iron-containing ... -
Belite calcium sulfoaluminate cement early hydration: citric acid sensitivity.
Koufany, Imane; Santacruz-Cruz, María Isabel; Bescher, Eric P.; García-Aranda, Miguel Ángel; Gómez-de-la-Torre, María de los Ángeles (2023)
Three buckets, corresponding to three selected samples, of the same type of belite calcium sulfoaluminate (BCSA) cements have been studied. These cements show very similar elemental and mineralogical compositions, and ... -
Cementos de arcillas calcinadas y caliza preparados en la Universidad de Málaga
Gómez-de-la-Torre, María de los Ángeles; Santacruz-Cruz, María Isabel; Cuesta-García, Ana María; Bernal, Isabel M.R.; Redondo-Soto, Cinthya; Morales-Cantero, Alejandro; Shirani, Shiva; Pérez-Bravo, Raquel; Franco-Duro, Francisco Ignacio; García-Maté, Marta; Salcedo, Inés R.; León-Reina, Laura; García-Aranda, Miguel Ángel[et al.] (2022)
Adjuto documento -
Characterisation of SCMs using the R3 test for low carbon cements.
Koufany, Imane; Redondo-Soto, Cinthya; Cuesta-García, Ana María; Santacruz-Cruz, María Isabel; Rodríguez-Ruiz, María Dolores; García-Aranda, Miguel Ángel; Gómez-de-la-Torre, María de los Ángeles[et al.] (2024)
The cement industry is working to reduce its environmental impact by replacing clinker with supplementary cementitious materials (SCMs), including pozzolanic materials. This study examines three types of pozzolanic materials: ... -
Clinkering and early age hydration characterization of Belite-Alite Calcium Sulfoaluminate (BACSA) cements
Londono-Zuluaga, Diana; Álvarez-Pinazo, Gema; Tobón, Jorge Iván; García-Aranda, Miguel Ángel; Santacruz-Cruz, María Isabel; Gómez-de-la-Torre, María de los Ángeles[et al.] (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 ... -
Clinkering and hydration study of non-active and active Belite-Alite-Ye'elimite (BAY) cements
Zea-Garcia, Jesus D.; Gómez-de-la-Torre, María de los Ángeles; Santacruz-Cruz, María Isabel (2017-10-17)
The manufacturing process of ye'elimite rich cements emit about 15-37% less CO2 to the atmosphere than OPC. Cements that contain belite, ye’elimite and ferrite, known as BYF cements, are promising eco-friendly binders. ... -
Combined use of laboratory X-ray diffraction and microtomography in early age cement hydration.
Cuesta-García, Ana María; Shirani, Shiva; Gómez-de-la-Torre, María de los Ángeles; Santacruz-Cruz, María Isabel; Morales-Cantero, Alejandro; Koufany, Imane; Redondo-Soto, Cinthya; Salcedo, Inés R.; León-Reina, Laura; García-Aranda, Miguel Ángel[et al.] (2023)
In situ laboratory X-ray powder diffraction (LXRPD) is widely used for studying cement hydration at early ages. However, this approach has limitations due to the intrinsic characteristics of the main methodologies (flat ... -
Combined use of X-ray diffraction and microtomography for accurate cement hydration studies.
García-Aranda, Miguel Ángel; Cuesta-García, Ana María; Shirani, Shiva; Gómez-de-la-Torre, María de los Ángeles; Santacruz-Cruz, María Isabel; Morales-Cantero, Alejandro; Koufany, Imane; Redondo-Soto, Cinthya; Salcedo, Inés R.; León-Reina, Laura[et al.] (2023)
Ver fichero adjunto que contiene toda la información incluyendo imagenes -
Design and optimisation of new formulations of Belite-Alite Calcium Sulfoaluminate (BACSA) eco-cements
Londono-Zuluaga, Diana; Santacruz-Cruz, María Isabel; Tobón, Jorge Iván; García-Aranda, Miguel Ángel; Gómez-de-la-Torre, María de los Ángeles (2015-07-02)
Belite Calcium SulfoAluminate (BCSA) eco-cements were developed as OPC substitutes since in their production release 22% less CO2 than OPC. BCSA eco-cements contain belite as main phase (>50 wt%) and ye'elimite as secondary ... -
Dispersion and optimization of a calcium sulfoaluminate mortar prepared with superplasticizer
Canto-González, David; Zea-Garcia, Jesus D.; Gómez-de-la-Torre, María de los Ángeles; Santacruz-Cruz, María Isabel (2016-06-29)
Calcium sulfoaluminate (CSA) cements/mortars are receiving increasing attention since their manufacture produces less CO2 than ordinary Portland cement (OPC) (up to 22% of decrease depending on its composition). These ... -
Doble activación de cementos BYF (belita-ye’elemita-ferrita) y su efecto en pastas y morteros
Pérez-Bravo, Raquel; Morales-Cantero, Alejandro; García-Aranda, Miguel Ángel; Santacruz-Cruz, María Isabel; Gómez-de-la-Torre, María de los Ángeles (2022-06-30)
Los eco-cementos tipo BYF se postulan como una alternativa a los PC (Cementos Portland) por su menor demanda de caliza. Estos están principalmente constituidos por tres fases: Belita (-C2S o -Ca2SiO4), Ye’elemita (C4A3S ... -
Early hydration study of standard and doped Alite-Belite-Ye’elimite (ABY) cements through Synchrotron Radiation
Zea-Garcia, Jesus D.; Cuesta-García, Ana María; Gómez-de-la-Torre, María de los Ángeles; García-Aranda, Miguel Ángel; Vallcorba, Oriol; Santacruz-Cruz, María Isabel[et al.] (2018-07-09)
The manufacturing of ye'elimite-rich cements releases from 15 to 37%, depending on their composition, less CO2 to the atmosphere than ordinary Portland cement (OPC). BYF cements containing belite, ye’elimite and ferrite ... -
Effect of alkanolamines in kaolinitic calcined clays pozzolanic reactivity.
Koufany, Imane; Santacruz-Cruz, María Isabel; Rodríguez-Ruiz, María Dolores; Bescher, Eric P.; García-Aranda, Miguel Ángel; Gómez-de-la-Torre, María de los Ángeles[et al.] (2023)
Five kaolinitic clays with different amounts of kaolinite, ranging between ~70 wt% and ~30 wt%, have been studied to unravel the possible activation effect of alkanolamines on the aluminate fraction of calcined clays. ...