Browsing by Author "Fernández Carrasco, Lucía"Més informacióMés informació

Now showing items 1-20 of 48

    • A Discussion of the Paper "Hydration Reactions of Nonstoichiometric Barium Orthoaluminates" by T.R.N. Kutty and M. Nayak 

      Fernández Carrasco, Lucía (Elsevier, 1999-02)
      Article
      Restricted access - publisher's policy

    • A Force field for tricalcium aluminate to characterize surface properties, initial hydration, and organically modified interfaces in atomic resolution 

      Mishra, Ratan K.; Fernández Carrasco, Lucía; Flatt, Robert J.; Heinz, Hendrik (2014-04-22)
      Article
      Open Access
      Tricalcium aluminate (C3A) is a major phase of Portland cement clinker and some dental root filling cements. An accurate all-atom force field is introduced to examine structural, surface, and hydration properties as well ...

    • Alkali activation of "Pozzolan-calcium aluminate cement" mixtures 

      Fernández Carrasco, Lucía; Fernández-Giménez, A; Palomo, A (-, 2007)
      Conference report
      Open Access

    • Aplicación de la espectroscopia infrarroja al estudio de cemento aluminoso 

      Fernández Carrasco, Lucía; Vázquez Moreno, Tomás (1996-01)
      Article
      Open Access
      Se han estudiado los componentes mineralógicos del cemento aluminoso hidratado a través de la técnica de espectroscopia de absorción infrarroja. Se ha realizado, también con esta técnica, un análisis de las muestras que ...

    • Autoclaved cellulose fibre reinforced cement: effects of silica fume 

      Fernández Carrasco, Lucía; Claramunt Blanes, Josep; Ardanuy Raso, Mònica (2014-07-01)
      Article
      Restricted access - publisher's policy
      With the aim of developing vegetable-fibre cement composites free of portlandite and with short curing process, this study analyses the influence of the curing conditions and the addition of pozzolanic material on the ...

    • Carbonatación de pastas de cemento de aluminato de calcio 

      Fernández Carrasco, Lucía; Puertas, F; Blanco Varela, M.Teresa; Vázquez, T (2001-07)
      Article
      Open Access
      En el presente trabajo se discuten los resultados obtenidos en los ensayos acelerados llevados a cabo para investigar los efectos de diferentes métodos de curado sobre la carbonatacion de pastas del cemento de aluminato ...

    • Carbonation of ternary building cementing materials 

      Fernández Carrasco, Lucía; Torrens Martín, David; Martínez Ramírez, Sagrario (2012-11)
      Article
      Restricted access - publisher's policy
      The carbonation processes of ettringite and calcium aluminate hydrates phases developed by hydration of calcium aluminate cement, fly ash and calcium sulphate ternary mixtures have been studied. The hydrated samples were ...

    • Carbonation on ternary cement systems 

      Martínez Ramírez, Sagrario; Fernández Carrasco, Lucía (2012-05-01)
      Article
      Restricted access - publisher's policy
      The main hydration reaction product in the ternary system fly ash, calcium sulphate and calcium aluminate cement (40/20/40) at 20°C is a hydrated calcium sulfoaluminate compound, an AFt phase slightly different from ...

    • Carbonation-induced mineralogical changes in coal mining waste blended cement pastes and their influence on mechanical and microporosity properties 

      Frias Rojas, Moisés; Vigil de la Villa, Raquel; García Jiménez, Rosario; Rodríguez Largo, Olga; Fernández Carrasco, Lucía; Martínez Ramírez, Sagrario (2018-04)
      Article
      Open Access
      The worldwide pursuit of new eco-efficient pozzolans is ongoing. Kaolinite-based waste is an eco-friendly source of recycled metakaolinite, a highly pozzolanic product. In this study, a blended cement paste containing 20% ...

    • Cements based on kaolinite waste 

      García Giménez, Rosario; Vigil de la Villa, Raquel; Frias Rojas, Moisés; Martínez Ramírez, Sagrario; Vegas, Iñigo; Fernández Carrasco, Lucía (European Geosciences Union (EGU), 2018-08)
      Article
      Open Access
      The cement industry involves high-energy consumption that generates high CO2 emissions into the atmosphere. Environmental concerns can be addressed by replacing parts of Portland cement clinkers with pozzolanic materials ...

    • Chemical and mineral transformations that occur in mine waste and washery rejects during pre-utilization calcination 

      Vigil de la Villa, Raquel; Frias Rojas, Moisés; García Jiménez, Rosario; Martínez Ramírez, Sagrario; Fernández Carrasco, Lucía (2014-08-13)
      Article
      Restricted access - publisher's policy
      The mineralogical content of coal mine waste consists primarily of inorganic compounds which can be converted into a metakaolin-based product under controlled activation conditions that is also a highly pozzolanic material. ...

    • Coal mining waste: an alternative for the design of metakaolinite-based eco-efficient cements 

      Frias Rojas, Moisés; Caneda Martínez, Laura; García Giménez, Rosario; Fernández Carrasco, Lucía (Instituto de Ciencias de la Construcción Eduardo Torroja. Consejo Superior de Investigaciones Científicas (IETcc-CSIC), 2018)
      Conference report
      Restricted access - publisher's policy
      Los materiales arcillosos de naturaleza caolinítica han despertado un gran interés en los últimos tiempos como materia prima para la producción de metacaolinita y su posterior uso como adición puzolánica al cemento. No ...

    • Concrete/glass construction and demolition waste (CDW) synergies in ternary eco-cement-paste mineralogy 

      Vigil de la Villa, Raquel; Frias Rojas, Moises; Martínez Ramírez, Sagrario; Fernández Carrasco, Lucía; García Giménez, Rosario (Multidisciplinary Digital Publishing Institute (MDPI), 2022-07)
      Article
      Open Access
      The study described sought further understanding of the synergies in a mix of CDW pozzolans, containing (calcareous and siliceous) concrete and glass waste, used to prepare ternary eco-cement paste bearing 7% of the binary ...

    • Conduction calorimetric studies of ternary binders based on Portland cement, calcium aluminate cement and calcium sulphate 

      Torrens Martín, David; Fernández Carrasco, Lucía; Blanco Varela, M.Teresa (Springer, 2013-01-21)
      Article
      Restricted access - publisher's policy
      Different binders of Portland cement, calcium aluminate cement and calcium sulphate (PC/CAC/CS) have been investigated to determinate the in¿uence the CAC and CS amount in the reactions mechanism. Several mixtures were ...

    • Durability of natural fibers reinforced calcium aluminate cement matrices 

      Fernández Carrasco, Lucía; Claramunt Blanes, Josep; Ardanuy Raso, Mònica (2017)
      Conference report
      Restricted access - publisher's policy
      In this paper we describe a study of the durability of calcium aluminate cement (CAC) reinforced with nano- and micro- cellulose fibers. The nanocelluloses were in the form of nanofibrillated cellulose -obtained from sisal ...

    • Effect of alkalinity on early-age hydration in calcium sulfoaluminate clinker 

      Padilla, Patricio; Fernández Carrasco, Lucía; Palomo Sanchez, Ángel; Fernández Jiménez, Ana (2022-05)
      Article
      Open Access
      Early-age hydration with neutral or alkaline (0 M to 8 M) solutions was studied in calcium sulfoaluminate clinker (CSA) using isothermal conduction calorimetry, X-ray diffraction (both continuous and discontinuous, i.e., ...

    • Effect of partial substitution of highly reactive mineral additions by nanosilica in cement pastes 

      da Silva Rego, Joao Henrique; Frias Rojas, Moises; Moragues Terrades, Amparo; Fernández Carrasco, Lucía; Romero Morales, Enrique Edgar; Sanchez de Rojas, Maria Isabel (2019-01)
      Article
      Open Access
      The phenomena involved in portland cement hydration and interactions with nanosilica are very complex and not yet fully understood. In addition, few papers have currently proposed to investigate the microstructure and ...

    • Effect of sulfate content on cement mixtures 

      Torrens Martín, David; Fernández Carrasco, Lucía (2013-07-13)
      Article
      Restricted access - author's decision
      Portland cement, calcium aluminate cement and calcium sulfate mixtures were investigated to determine the influence of sulfates and the effect of curing conditions on durability. This study focused on the richest mix of ...

    • Evolution to carbonated compounds of phases developed on ternary systems materials 

      Fernández Carrasco, Lucía; Torrens Martín, David; Morales Martínez, Laura María; Martínez Ramírez, Sagrario; Fernández, Pedro (Instituto de Ciencias de la Construcción Eduardo Torroja (ICCET), 2011)
      Conference lecture
      Open Access
      The incorporation of supplementary cementitious materials to the cement industry is an alternative to reduce consume of large amounts of raw materials and gives up a huge spectrum of blended cements that have been noted ...

    • In situ chemical modification of C–S–H induced by CO2 laser irradiation 

      Martínez Ramírez, Sagrario; Díaz Sol, Luis M.; Martín Garrido, Moisés; Fernández Carrasco, Lucía; Torrens Martín, David (2018-02)
      Article
      Open Access
      Fire-induced compositional changes lead to strength loss and even failure in cement and concrete. Calcium silicate hydrate (C–S–H) gel, the main product of cement hydration, dehydrates at 25–200 °C, while temperatures of ...