Ivan Tobón, Jorge; Paya Bernabeu, Jorge Juan; Borrachero Rosado, María Victoria; Soriano Martínez, Lourdes; Restrepo Baena, Oscar Jaime(Akadémiai Kiadó, 2012)
In this article, the methodology to implementation of high resolution thermogravimetric analysis (HRTG) for construction materials like Portland cement pastes is presented. The aim of this technique is to make easier the ...
Eiras Fernández, Jesús Nuño(Universitat Politècnica de València, 2011-11-08)
La gestión de neumáticos fuera de uso (NFU) requiere de soluciones creativas, dado que no pueden ser depositados en vertederos controlados. La valorización energética no es una solución integral; sin embargo, este tipo de ...
[EN] Changes caused in the porous microstructure of ordinary Portland cement (OPC) mortars were studied using electrical impedance spectroscopy (EIS) and equivalent circuit (EqC). Two successive processes, at 20 ºC and 50 ...
Pérez Ramos, Martha Iris(Universitat Politècnica de València, 2016-09-12)
[EN] Nowadays, the emissions of carbon dioxide (CO2) to the atmosphere from the production of Portland cement clinker are approximately 1.00 kg per kilogram of cement manufactured. Study the durability of alternative ...
Lalinde, Luis Felipe; Mellado Romero, Ana María; Borrachero Rosado, María Victoria; Monzó Balbuena, José Mª; Paya Bernabeu, Jorge Juan(MDPI AG, 2022-04)
[EN] Glass fiber reinforced cement (GRC) is an excellent composite for architects and engineers because it can be molded to produce laminar panels or to create complicated designs. GRC is a fine concrete reinforced with ...
This study demonstrates the feasibility of the dynamic acousto-elastic effect of a continuous high frequency
wave for investigating the material nonlinearity upon transient vibration. The approach is
demonstrated on a ...
Lorca Aranda, Pablo(Universitat Politècnica de València, 2014-09-03)
El presente trabajo analiza la influencia de la adición de hidróxido cálcico en pastas, morteros y hormigones de cemento portland con sustitución de altos porcentajes de cemento por ceniza volante.
Se realizará una ...
Villarreal Centurión, Lady Elizabeth(Universitat Politècnica de València, 2023-07-20)
[ES] Esta investigación se centra en la fabricación de un sistema cementante utilizando cenizas volcánicas como sustituto del cemento Portland. Las cenizas pertenecen a los volcanes Cumbre Vieja y La Yezosa y, para su ...
Ochoa, J.C.; Bonilla Salvador, María Mercedes; Borrachero Rosado, María Victoria; Paya Bernabeu, Jorge Juan(Consejo Superior de Investigaciones CientÍficas (CSIC), 2013)
[EN] Physical and mechanical properties of a plaster paste added with an organic admixture, of the leaves of Agave americana, were studied. Plastic consistency behavior was evaluated and the water/gypsum(w/g) ratio was ...
Eiras Fernández, Jesús Nuño; Kundu, Tribikram; Popovics, John Sandor; Monzó Balbuena, José Mª; Borrachero Rosado, María Victoria; Paya Bernabeu, Jorge Juan(Society of Photo-optical Instrumentation Engineers (SPIE), 2016)
[EN] Carbonation causes a physicochemical alteration of cement-based materials, leading to a decrease of porosity and an increase of material hardness and strength. However, carbonation will decrease the pH of the internal ...
Mitsuuchi Tashima, Mauro; Soriano Martínez, Lourdes; Borrachero Rosado, María Victoria; Monzó Balbuena, José Mª; Paya Bernabeu, Jorge Juan(Indian Academy of Sciences, 2013-04)
The aim of this paper is to study the influence of curing time on the microstructure and mechanical strength development of alkali activated binders based on vitreous calcium aluminosilicate (VCAS). Mechanical strength of ...
Tobón, J.I.; Mendoza, O.; Restrepo, O.J.; Borrachero Rosado, María Victoria; Paya Bernabeu, Jorge Juan(Departmento de Publicaciones del CSIC, 2020-12)
[ES] Efecto de diferentes sílices de alta área superficial sobre la reología de pastas de cemento. Este tra¬bajo estudia el efecto de la nanosílice (NS) sobre la reología de pastas de cemento por comparación con sílices ...
Rodriguez Martinez, Erich David; Bernal, Susan A.; Provis, John L.; Paya Bernabeu, Jorge Juan; Monzó Balbuena, José Mª; Borrachero Rosado, María Victoria(Elsevier, 2013-01)
This paper assesses the effect of the use of an alternative activator based on nanosilica/MOH (M = K+ or Na+) blended solutions on the performance of alkali-activated fly ash binders. Binders produced with commercial ...
Tobón, J.I.; Mendoza-Reales, O.; Restrepo, O.J.; Borrachero Rosado, María Victoria; Paya Bernabeu, Jorge Juan(American Society of Civil Engineers, 2018)
[EN] In this work, the effect of pyrogenic silica and nanosilica on the properties of portland cement matrices is compared. Two chemically
and mineralogically similar mineral additions (amorphous silica) with different ...
[EN] This paper explored the effect of sewage sludge ash (SSA) on the mechanical and microstructural properties of geopolymers based on metakaolin (MK) involving two different SiO2/Na2O molar ratios (0.8 and 1.6), two ...
Soriano Martínez, Lourdes; Monzó Balbuena, José Mª; Bonilla Salvador, María Mercedes; Tashima, Mauro M.; Paya Bernabeu, Jorge Juan; Borrachero Rosado, María Victoria(Elsevier, 2013-09)
The aim of this paper is to study hydration processes in cement pastes and mortars, blended with either metakaolin (MK) or a catalyst used in catalytic cracking (FCC), and cured at low temperature. The amounts of hydrates ...
Martínez Velandia, Diego Alfonso; Paya Bernabeu, Jorge Juan; Monzó Balbuena, José Mª; Borrachero Rosado, María Victoria(Thomas Telford (ICE Publishing), 2011)
Currently, the use of silica fume for the production of mortars and high-performance concrete is of great importance
to the construction materials sector. Different applications of silica fume have generated extensive ...
[EN] Alkali-activated materials (AAM) comprise one of the solutions to diminish the use of Portland cement in building construction and, consequently, a reduction in the environmental problems related to CO2 emissions and ...
[EN] The microstructural features of heterogeneous and porous materials give rise to unique
non-linear dynamic behaviour. The purpose of this work is to investigate the dynamic
response of thermally damaged concrete specimens ...
Rodríguez Martínez, Erich David(Universitat Politècnica de València, 2011-12-02)
Se evaluó el comportamiento mecánico y características microestructurales de morteros geopoliméricos, obtenidos con una ceniza volante. Se determinaron condiciones óptimas de diseño, tales como contenido de agua, sílice y ...