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 ...
Ariño Montoya, David(Universitat Politècnica de València, 2011-09-06)
En este trabajo se realiza un estudio de los tiempos de fraguado y endurecimiento por distintos métodos de pastas yeso/cemento con y sin adiciones puzolanicasy la influencia sobre estos parámetros de agentes retardantes ...
Segura Sierpe, Yasna Pamela(Universitat Politècnica de València, 2014-11-18)
[EN] The industry of construction is a huge waste producer. This work, developed from both materials and
sustainability fields, pretends to evaluate the hydrated cement waste. The principal scope is to produce
a new ...
Segura-Sierpe, Yasna Pamela; Borrachero Rosado, María Victoria; Monzó Balbuena, José Mª; Paya Bernabeu, Jorge Juan(Universidad Nacional de Colombia, 2016-04)
[EN] The carbonation of hydrated ordinary Portland cement (OPC) allows the transformation of hydrated calcium aluminates and silicates into calcium carbonate and amorphous silica/ alumina. These carbonated materials are ...
Cáceres Marte, Damariel(Universitat Politècnica de València, 2018-05-07)
En este trabajo se evaluará el comportamiento de los geopolímeros frente a distintas temperaturas de calentamiento: 90 °C, 150 °C, 250 °C, 400 °C y 525 °C. Los precursores seleccionados para ser activados alcalinamente son ...
Bouzón Orgeira, Noelia(Universitat Politècnica de València, 2012-05-24)
La industria de la Construcción es un campo muy dinámico, donde continuamente se
consiguen avances y mejoras en los materiales utilizados con el fin de ofrecer mejores
prestaciones y mayor seguridad. Dentro de estos ...
Castellese Monzó, Adriana(Universitat Politècnica de València, 2016-05-17)
[EN] Using non-destructive techniques based vibration spectroscopy, to assess the aging process of a fiber reinforced composite alkali-resistant glass (AR). For this purpose, we used two types of cementitious matrices: ...
Riestra García-San Miguel, Covadonga(Universitat Politècnica de València, 2014-11-24)
[EN] The use of glass fibers to prepare composites (GRC) with Portland cement matrix makes them weak because of the alkalinity around them, wich is generated mainly by the portlandite.
The fibres deteriorate themselves ...
[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 ...
Nande Suárez, Javier Alejandro(Universitat Politècnica de València, 2018-10-23)
El cemento portland, es el material más ampliamente usado en la construcción, por ser más barato, tener buena resistencia mecánica y una alta durabilidad. Sin embargo, se observa que en aspectos medioambientales es uno de ...
[EN] Worldwide cement production is around 4.2 billion tons, and the fabrication of one ton of ordinary Portland cement emits around 900 kg of CO2. Blast furnace slag (BFS) is a byproduct used to produce alkali-activated ...
Font-Pérez, Alba; Borrachero Rosado, María Victoria; Soriano Martínez, Lourdes; Monzó Balbuena, José Mª; Paya Bernabeu, Jorge Juan(Elsevier, 2017)
[EN] This study presents a new cellular concrete design focused on the energy eco-efficiency and the sustainability concept: geopolymer eco-cellular concrete (GECC). Geopolymer systems made from alkali-activated fluid ...
Rodriguez Martinez, Erich David; Bernal, Susan A.; Provis, John L.; Gehman, John D.; Monzó Balbuena, José Mª; Paya Bernabeu, Jorge Juan; Borrachero Rosado, María Victoria(Elsevier, 2013-07)
This paper assesses the use of alkali activation technology in the valorization of a spent fluid catalytic cracking (FCC) catalyst, which is a residue derived from the oil-cracking process, to produce geopolymer binders. ...
Soriano Martínez, Lourdes; Paya Bernabeu, Jorge Juan; Monzó Balbuena, José Mª; Borrachero Rosado, María Victoria; Mitsuuchi Tashima, Mauro(Elsevier, 2016-03)
The use of ternary systems composed of ordinary Portland cement (OPC) and two pozzolanic mineral admixtures could supply several advantages in terms of the properties in both fresh and hardened states. Fly ash (FA) and ...
[EN] This work studies the possibility of using geopolymer materials to enhance the mechanical and durability properties of hydrated lime¿pozzolan mixtures, which gave rise to the so-called ¿hybrid systems¿. Two different ...