Design and properties of 100% waste-based ternary alkali-activated mortars: Blast furnace slag, olive-stone biomass ash and rice husk ash

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MetadadosDescriçãoIdioma
Autor(es): dc.contributorUniversitat Politècnica de Valencia-
Autor(es): dc.contributorUFES - Federal University of Espírito Santo-
Autor(es): dc.contributorUniversidade Estadual Paulista (Unesp)-
Autor(es): dc.creatorFont, Alba-
Autor(es): dc.creatorSoriano, Lourdes-
Autor(es): dc.creatorde Moraes Pinheiro, Sayonara Maria-
Autor(es): dc.creatorTashima, Mauro M. [UNESP]-
Autor(es): dc.creatorMonzó, José-
Autor(es): dc.creatorBorrachero, Maria Victoria-
Autor(es): dc.creatorPayá, Jordi-
Data de aceite: dc.date.accessioned2022-02-22T00:23:09Z-
Data de disponibilização: dc.date.available2022-02-22T00:23:09Z-
Data de envio: dc.date.issued2020-12-11-
Data de envio: dc.date.issued2020-12-11-
Data de envio: dc.date.issued2020-01-09-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1016/j.jclepro.2019.118568-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/197961-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/197961-
Descrição: dc.descriptionAlkali-activated cements (AACs) technology is being widely investigated as a replacement for ordinary Portland cement (OPC) for environmental benefits. Blast furnace slag (BFS) is one of the most well known precursors used in AACs, having comparable properties to those of traditional OPC-based materials. AACs require alkali solutions, which are commonly based on a combination of sodium or potassium hydroxides with sodium or potassium silicates in high concentration. These alkali solutions represent the use of chemical reagents, and thus can have major environmental, health and economic impacts. Olive-stone (also known as olive pits) biomass ash (OBA) is a residue mainly composed of calcium and potassium oxides. Rice husk ash (RHA) is a rich silica residue from the combustion of rice husk. The combination of both residues can produce a good activating reagent for BFS-based AACs. In the present work, 100% waste-based ternary alkali-activated mortars (TAAM) based on BFS activated by OBA and RHA were developed. The mortars were assessed in terms of their dosage, curing treatment and time evolution. Finally an eco-friendly 100% waste-based TAAM with 67.39 ± 0.44 MPa after 90 days of curing at 20 °C is obtained and a complete microstructural characterization shows a dense and compact matrix with binding gel products labelled as C(K)–S(A)-H and C(K)–S–H.-
Descrição: dc.descriptionUniversitat Politècnica de València-
Descrição: dc.descriptionICITECH – GIQUIMA Group – Grupo de Investigación en Química de los Materiales de Construcción Instituto de Ciencia y Tecnología del Hormigón Universitat Politècnica de Valencia-
Descrição: dc.descriptionUFES - Federal University of Espírito Santo Department of Civil Engineering-
Descrição: dc.descriptionUniversidade Estadual Paulista (UNESP) Faculdade de Engenharia de Ilha Solteira. MAC – Grupo de Pesquisa em Materiais Alternativos de Construção-
Descrição: dc.descriptionUniversidade Estadual Paulista (UNESP) Faculdade de Engenharia de Ilha Solteira. MAC – Grupo de Pesquisa em Materiais Alternativos de Construção-
Idioma: dc.languageen-
Relação: dc.relationJournal of Cleaner Production-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectAlkali-activated cement-
Palavras-chave: dc.subjectBlast furnace slag-
Palavras-chave: dc.subjectOlive-stone biomass ash-
Palavras-chave: dc.subjectRice husk ash-
Palavras-chave: dc.subjectTernary binder-
Título: dc.titleDesign and properties of 100% waste-based ternary alkali-activated mortars: Blast furnace slag, olive-stone biomass ash and rice husk ash-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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