Font-Pérez, Alba; Soriano Martinez, Lourdes; Pinheiro, Sayonara Maria de Moraes; Tashima, Mauro M.; Monzó Balbuena, José Mª; Borrachero Rosado, María Victoria; Paya Bernabeu, Jorge Juan(Elsevier, 2020-01-10)
[EN] Alkali-activated cements (AACs) technology is being widely investigated as a replacement for ordinary Portland cement (OPC) for environmental benefits. Blast furnace slag (BFS) is one of the most well known precursors ...
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 ...
Moreno, José D.; Bonilla Salvador, María Mercedes; Adam Martínez, José Miguel; Borrachero Rosado, María Victoria; Soriano Martínez, Lourdes(Elsevier, 2015-12)
This paper describes a study of the damage caused by corrosion to the reinforcement rebars of a 40-year old building used as a car park at a distance of 20 m from the sea. The corrosion levels of the building s structural ...
[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 ...
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 ...
Arcolezi, Karina H.; da Silva, Rodrigo G.; Soriano Martinez, Lourdes; Borrachero Rosado, María Victoria; Monzó Balbuena, José Mª; Paya Bernabeu, Jorge Juan; Mitsuuchi Tashima, Mauro; Akasaki, Jorge Luis(MDPI AG, 2023-03)
[EN] The granulometric distribution of the aggregates used in pervious concrete can significantly impact its mechanical and hydraulic properties by modifying granular skeleton and pore distribution.
The unit weight increases ...
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 ...
[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 ...
[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 ...
da Silva, R.G.; Bortoletto, M.; Bigotto, S.A.M.; Akasaki, J. L.; Soriano Martinez, Lourdes; Mitsuuchi Tashima, Mauro(Taylor & Francis, 2022-09-02)
[EN] Pervious concrete is a construction material widely used in pervious
pavements. Pozzolanic materials replacing partially Portland cement can improve mechanical and hydraulic issues associated with the use of pervious ...
Video explicativo del ensayo de consistencia del hormigón en estado fresco y reflexión sobre las consistencias y puesta en obra del hormigón. es necesario que el alumno conozca como se realiza el ensayo. no todas las ...
Video demostrativo del ensayo de medida del aire ocluido e indicación de cuando debe realizarse el ensayo. Asimismo se aprende que equipos se necesitan para realizar el ensayo y que etapas tiene el ensayo. El ensayo del ...
Hidalgo Astudillo, Samantha Elizabeth(Universitat Politècnica de València, 2018-07-11)
The purpose of this aim is to determine the pozzolanic properties, as well as the physical and chemical characteristics of rice straw ash for use as an admixture in concrete mixtures with Portland cement.
A material is ...
Calvo Muñoz, Clara(Universitat Politècnica de València, 2017-06-09)
ABSTRACT
The use of concrete as a building material is a very widespread practice throughout the world thanks to its high mechanical strength, versatility and low cost. Nevertheless, the production of one of its components, ...
[EN] Rice husk ash is one of the most widely studied biomass ashes used in pozzolanic addition. Given its lower silica content, rice straw ash (RSA) has been explored less often, despite the fact that, according to the ...
Istuque, D.; Soriano Martinez, Lourdes; Borrachero Rosado, María Victoria; Paya Bernabeu, Jorge Juan; Akasaki, J. L.; Melges, J. L. P.; Tashima, M. M.(Departmento de Publicaciones del CSIC, 2021-09)
[EN] This paper aimed to evaluate the long-term compressive strength development of the sewage sludge ash/metakaolin (SSA/MK)¿based geopolymer. SSA/MK¿based geopolymeric mortars and pastes were produced at 25ºC with different ...
High pozzolanic activity of the residue spent catalytic cracking catalyst (FCC) has been reported by various authors in recent years. However, no report on the lime fixation of this residue when dosed together with other ...
Istuque, Danilo Bordan; Reig, Lucia; Soriano Martinez, Lourdes; Borrachero Rosado, María Victoria; Pinheiro Melges, Jose Luiz; Akasaki, Jorge Luis; Paya Bernabeu, Jorge Juan; Tashima, Mauro Mitsuuchi(American Society of Civil Engineers, 2021-06-01)
[EN] Waste management is a crucial issue facing modern society. The generation of sewage sludge is increasing annually due to the
urbanization and improvement of sanitation systems of cities. The construction sector has ...