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https://doi.org/10.36443/10259...
Doctoral thesis
License: CC BY NC ND
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Recolector de Ciencia Abierta, RECOLECTA
Doctoral thesis . 2021
License: CC BY NC ND
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Recolector de Ciencia Abierta, RECOLECTA
Doctoral thesis . 2021
License: CC BY NC ND
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https://doi.org/10.36443/10259...
Doctoral thesis . 2021 . Peer-reviewed
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Recolector de Ciencia Abierta, RECOLECTA
Doctoral thesis . 2021
License: CC BY NC ND
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Recolector de Ciencia Abierta, RECOLECTA
Doctoral thesis . 2021
License: CC BY NC ND
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RIARTE
Doctoral thesis . 2021
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Prefabricados ecológicos de mortero de yeso diseñados con escorias de acería

Authors: Alonso Díez, Álvaro;

Prefabricados ecológicos de mortero de yeso diseñados con escorias de acería

Abstract

Las industrias siderúrgica y metalúrgica generan grandes cantidades de residuos en forma de escorias de diversa naturaleza procedentes de la fabricación del acero. Aunque se reaprovechan principalmente en la obtención de cemento y como relleno en la estabilización de suelos, aún hay grandes cantidades que acaban depositados en vertederos, con el consiguiente deterioro medioambiental. Esta Tesis Doctoral estudia la valorización de escorias para la fabricación de productos en base yeso en masa o como prefabricados, planteando nuevas formas de producción con estos residuos como materia prima. Se lleva a cabo un estudio comparativo de las propiedades que presentan los yesos con cargas minerales procedentes de los residuos generados en la fabricación del acero, en concreto la escoria negra de Horno Eléctrico de Arco EAF generada en la Metalurgia Primaria, y la escoria blanca de Horno Cuchara LF de los procesos de afino, en comparación con las de los yesos tradicionales. Con el objetivo de mejorar las propiedades de los productos finales, se analiza el efecto de dos aditivos, un superfluidificante para reducir la absorción de agua (SikaMix®) y una emulsión polimérica para mejorar la adherencia superficial (SikaLatex®). The steel and metallurgical industries generate large amounts of waste as different slags. Even though these slags are mainly recycled in the production of cement and as fillers in the stabilization of soils, there are still large amounts deposited in landfills, with the ensuing environmental impact. This Doctoral Thesis studies the recovery of slag for the fabrication of products based on plaster matrix and as prefabricated, suggesting new forms of construction with this waste as raw material. A comparative study is carried out on the properties of gypsum with mineral fillers from the waste generated in the production of steel, in particular the black slag of Electric Arc Furnace “EAF” generated in Primary Metallurgy, and white slag “LF” from refining processes, in comparison with traditional plaster. Seeking to improve the properties of the final materials, the effect of two additives is deeper analyzed, a super-fluidizer to reduce water absorption (SikaMix®), and a polymer emulsion to improve surface adhesion (SikaLatex®).

Keywords

Impacto medioambiental, Ensayos (Tecnología), Testing, Material sostenible, Escorias de acería, Ecological plaster mortars, Comportamiento térmico, 3315.04 Fundiciones (General), Resistencias mecánicas, Escoria blanca de horno de cuchara (LFS), Reciclaje - Construcción, Steel slag, Morteros de yeso ecológicos, 3312.08 Propiedades de Los Materiales, Escoria siderúrgica, Residuos - Construcción, Yeso, 3313.04 Material de Construcción, Prefabricated, 3308.07 Eliminación de Residuos, 3312.12 Ensayo de Materiales, Building materials, Thermal behavior, Prefabricados, Materiales de construcción, Mechanical strength, 3312.02 Aglomerantes

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green
hybrid