[EN] This study presents the use of olive-stone biomass ash (OBA) as an alkali source in alkali-activated materials (AAM) based on blast furnace slag (BFS). The OBA was physically and chemically characterized. It presented ...
Mas, María Antonia; Mitsuuchi Tashima, Mauro; Paya Bernabeu, Jorge Juan; Borrachero Rosado, María Victoria; Soriano Martínez, Lourdes; Monzó Balbuena, José Mª(Trans Tech Publications, 2016)
Nowadays, scientific community is looking for alternatives to reduce the problem of CO2
emissions, making more sustainable binders and reusing wastes from other industries.
In this line, the technology of geopolymers was ...
Paya Bernabeu, Jorge Juan; Borrachero Rosado, María Victoria; Monzó Balbuena, José Mª; Soriano Martínez, Lourdes; Mitsuuchi Tashima, Mauro(Elsevier, 2012-05)
This paper evaluates the use of hydrated Portland cement as the raw material in the production of geopolymers. The silicon and aluminium oxides needed for the geopolymerization process were produced by the carbonation of ...
Reuse of industrial and agricultural wastes as supplementary cementitious materials (SCMs) in concrete and mortar productions contribute to sustainable development. In this context, fluid catalytic cracking catalyst residue ...
Mitsuuchi Tashima, Mauro; Soriano Martínez, Lourdes; Borrachero Rosado, María Victoria; Monzó Balbuena, José Mª; Cheeseman, C. R.; Paya Bernabeu, Jorge Juan(Taylor & Francis, 2012-09)
The properties and microstructure of alkali-activated (AA) vitreous calcium aluminosilicate (VCAS) are presented in this paper. VCAS is manufactured from a by-product of the glass fiber industry and has been activated using ...
Moraes, J. C. B; Akasaki, Jorge Luis; Melges, J. L. P.; Monzó Balbuena, José Mª; Borrachero Rosado, María Victoria; Soriano Martínez, Lourdes; Paya Bernabeu, Jorge Juan; Tashima, Mauro Mitsuuchi(Elsevier, 2015-09)
The aim of this paper is to assess the pozzolanic reactivity of sugar cane straw ash (SCSA) obtained through an auto-combustion process and the mechanical properties of SCSA-containing systems. Characterization of SCSA ...
Mitsuuchi Tashima, Mauro; Soriano Martínez, Lourdes; Paya Bernabeu, Jorge Juan; Monzó Balbuena, José Mª; Borrachero Rosado, María Victoria(Elsevier, 2016-04)
[EN] The aim of this paper is to assess the possibility of using vitreous calcium aluminosilicate (VCAS) as a supplementary cementitious material in the production of Portland cement mortars. The calcium hydroxide consumption ...
[EN] In recent years, geopolymers have become a widely researched binding material. There are technological and environmental advantages tousing this type of binder instead of Portland cement. In this study, binary systems ...
Tashima, M.M.; Reig, L.; Santini, M. A., Jr.; Moraes, J.C.B; Akasaki, J. L.; Paya Bernabeu, Jorge Juan; Borrachero Rosado, María Victoria; Soriano Martinez, Lourdes(Springer-Verlag, 2017-07)
[EN] In the present work, ground granulated blast furnace slag (GGBS) and sewage sludge ash (SSA) blends were assessed for the production of alkali-activated pastes and mortars. Percentages of SSA to substitute GGBS ranged ...
Reig, L.; Sanz, M.A.; Borrachero Rosado, María Victoria; Monzó Balbuena, José Mª; Soriano Martínez, Lourdes; Paya Bernabeu, Jorge Juan(Elsevier, 2017)
[EN] The present work investigated alkali-activated mortars with high ceramic waste contents. Tile ceramic waste (TCW) was used as both a recycled aggregate (TCWA) and a precursor (TCWP) to obtain a binding matrix by the ...
Fernández Iglesias, María Esther; Paya Bernabeu, Jorge Juan; Borrachero Rosado, María Victoria; Soriano Martínez, Lourdes; Mellado Romero, Ana María; Monzó Balbuena, José Mª(American Society of Civil Engineers, 2017)
[EN] The degradation of synthetic fibers derived from postconsumer wastes and used in fiber-reinforced cement mortars was studied.
Polyethylene terephthalate (PET) and high-density polyethylene postconsumer bottles were ...
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 ...
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 ...
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 ...