Blending of industrial waste from different sources as partial substitution of Portland cement in pastes and mortars

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Title: Blending of industrial waste from different sources as partial substitution of Portland cement in pastes and mortars
Authors: Baeza Brotons, Francisco | Payá Bernabeu, Jordi | Galao Malo, Oscar | Saval Pérez, José Miguel | Garcés, Pedro
Research Group/s: Durabilidad de Materiales y Construcciones en Ingeniería y Arquitectura | Tecnología de Materiales y Territorio (TECMATER) | Ingeniería del Terreno y sus Estructuras (InTerEs)
Center, Department or Service: Universidad de Alicante. Departamento de Ingeniería Civil
Keywords: Waste valorization | Thermogravimetry | Sewage sludge ash | Marble dust | Fly ash | Rice husk ash
Knowledge Area: Ingeniería del Terreno | Ingeniería de la Construcción
Issue Date: 15-Sep-2014
Publisher: Elsevier
Citation: Construction and Building Materials. 2014, 66: 645-653. doi:10.1016/j.conbuildmat.2014.05.089
Abstract: Binary and ternary combinations of sewage sludge ash (SSA) with marble dust (MD), fly ash (FA) and rice husk ash (RHA) as replacement in Portland cement pastes, were assessed. Several tests were carried out at different curing ages: thermogravimetry, density, water absorption, ultrasonic pulse velocity and mechanical strengths. Pozzolanic effects of the mineral admixtures, densities similar to control sample and improved absorptions when combining waste materials were identified. In general, the compressive strength reaches or exceeds the cement strength class, and blending SSA, FA and RHA (30% cement replacement) increase of strength by 9%, compared to the control sample, was achieved.
ISSN: 0950-0618 (Print) | 1879-0526 (Online)
DOI: 10.1016/j.conbuildmat.2014.05.089
Language: eng
Type: info:eu-repo/semantics/article
Peer Review: si
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Appears in Collections:INV - DMCIA - Artículos de Revistas
INV - TECMATER - Artículos de Revistas
INV - INTERES - Artículos de Revistas
INV - BIMAEC - Artículos de Revistas

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