Results 11 to 20 of about 114,421 (102)
Archivo Español de Arte, 2020 Durante la década de 1840, Eusebio Lucini desempeñó una labor fundamental como escenógrafo y director de maquinaria del Teatro del Circo de Madrid, donde realizó las escenografías de los ballets y óperas que se representaron allí.
Laura Hormigón
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Characterization and Reactivity of Natural Pozzolans from Guatemala
Applied Sciences, 2022 The possibility of using pozzolanic materials as a partial substitute for Portland cement (PC) to develop mortars and concretes promotes environmental and economic benefits.
Oscar M. Sierra +5 more
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Potential use of ceramic sanitary ware waste as pozzolanic material
Boletín de la Sociedad Española de Cerámica y Vidrio, 2022 This paper evaluated the pozzolanic activity of ceramic sanitary ware (CSW) waste when blended with Portland cement (PC). CSW waste units were broken, crushed and milled to reduce their particle size.
Lucía Reig +4 more
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Design Recommendations for Columns Made of Ultra-High-Performance Concrete and NiTi SMA Bars
Buildings, 2023 The use of new materials in construction endows structures with better mechanical characteristics. The combination of ultra-high-performance concrete (UHPC) and nickel and titanium (NiTi) shape memory alloy (SMA) improves the behavior of building ...
Javier Pereiro-Barceló +3 more
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Materiales de Construccion, 2009 The fluidized-bed catalytic cracking catalyst (FCC) it is a residue from the industry of the petroleum that shows a high pozzolanic reactivity and, in cementing matrix, it significantly improves their mechanical behaviour as well as durability.
J. Payá +3 more
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Impregnación superficial, con azufre, del hormigón
Materiales de Construccion, 1979 Se puede afirmar que la durabilidad del hormigón está principalmente condicionada a su compacidad y a su aislamiento de los ambientes agresivos. Los agentes destructores endógenos se consideran eliminados cuando el hormigón está preparado correctamente ...
F. Dutruel, J. P. Lehair
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Evaluation of Rice Straw Ash as a Pozzolanic Addition in Cementitious Mixtures
Applied Sciences, 2021 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 United Nations Food and Agriculture ...
Samantha Hidalgo +5 more
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Zeolita, estudio de aptitud como una puzolana natural aplicada a hormigón estructural [PDF]
, 2015 Nowadays, concrete is one of the most widely used construction materials due to its low price, appropriate mechanic characteristics and durability. Also, due to its ease to adopt diverse forms and sizes (Najimi et al., 2012).
Locati, Francisco +4 more
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Morteros ligeros con aditivos químicos y zeolitas naturales sílico-activas
Materiales de Construccion, 1994 The influence of chemical admixtures (superplasticizer-retarder) and active silica minerals (fraction less than 45 μm) in cement hydration, mechanical strength increase and variations of the physical properties of light weight mortars with partially ...
Regino Sotolongo Lorente +2 more
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Caracterización de escorias de cobre de fundiciones chilenas del Siglo XIX
Revista de Metalurgia, 2016 El objetivo de este trabajo es caracterizar 4 escorias de fundiciones de cobre del siglo XIX, procedentes de vertederos abandonados en la Región de Atacama - Chile, utilizando las técnicas de fluorescencia de rayos X (FRX), difracción de rayos X (DRX ...
Amin Nazer +3 more
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