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dc.contributor.authorSilva, Vitor Pereira-
dc.contributor.authorCarvalho, Ruan de Alencar-
dc.contributor.authorRêgo, João Henrique da Silva-
dc.contributor.authorEvangelista Júnior, Francisco-
dc.date.accessioned2024-06-25T12:45:30Z-
dc.date.available2024-06-25T12:45:30Z-
dc.date.issued2023-07-13-
dc.identifier.citationSILVA, Vitor Pereira et al. Machine learning-based prediction of the compressive strength of Brazilian concretes: a dual-dataset study. Materials, [S. l.], v. 16, n. 14, 4977, 2023. DOI: https://doi.org/10.3390/ma16144977. Disponível em: https://www.mdpi.com/1996-1944/16/14/4977. Acesso em: 25 jun. 2024.pt_BR
dc.identifier.urihttp://repositorio2.unb.br/jspui/handle/10482/48399-
dc.language.isoengpt_BR
dc.publisherMDPIpt_BR
dc.rightsAcesso Abertopt_BR
dc.titleMachine learning-based prediction of the compressive strength of Brazilian concretes : a dual-dataset studypt_BR
dc.typeArtigopt_BR
dc.subject.keywordResistência de materiaispt_BR
dc.subject.keywordAprendizado de máquinapt_BR
dc.subject.keywordPrediçãopt_BR
dc.subject.keywordRedes neurais artificiaispt_BR
dc.subject.keywordConcretopt_BR
dc.subject.keywordCimento Portlandpt_BR
dc.rights.license© 2023 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https:// creativecommons.org/licenses/by/ 4.0/).pt_BR
dc.identifier.doihttps://doi.org/10.3390/ma16144977pt_BR
dc.description.abstract1Lately, several machine learning (ML) techniques are emerging as alternative and efficient ways to predict how component properties influence the properties of the final mixture. In the area of civil engineering, recent research already uses ML techniques with conventional concrete dosages. The importance of discussing its use in the Brazilian context is inserted in an international context in which this methodology is already being applied, and it is necessary to verify the applicability of these techniques with national databases or what is created from national input data. In this research, one of these techniques, an artificial neural network (ANN), is used to determine the compressive strength of conventional Brazilian concrete at 7 and 28 days by using a database built through publications in congresses and academic works and comparing it with the reference database of Yeh. The data were organized into nine variables in which the data samples for training and test sets vary in five different cases. The eight possible input variables were: consumption of cement, blast furnace slag, pozzolana, water, additive, fine aggregate, coarse aggregate, and age. The response variable was the compressive strength of the concrete. Using international data as a training set and Brazilian data as a test set, or vice versa, did not show satisfactory results in isolation. The results showed a variation in the five scenarios; however, when using the Brazilian and the reference data sets together as test and training sets, higher R2 values were obtained, showing that in the union of the two databases, a good predictive model is obtained.pt_BR
dc.identifier.orcidhttps://orcid.org/0000-0001-7466-4203pt_BR
dc.contributor.affiliationUniversity of Brasília, Department of Civil and Environmental Engineeringpt_BR
dc.contributor.affiliationUniversity of Brasília, Department of Civil and Environmental Engineeringpt_BR
dc.contributor.affiliationUniversity of Brasília, Department of Civil and Environmental Engineeringpt_BR
dc.contributor.affiliationUniversity of Brasília, Department of Civil and Environmental Engineeringpt_BR
dc.description.unidadeFaculdade de Tecnologia (FT)pt_BR
dc.description.unidadeDepartamento de Engenharia Civil e Ambiental (FT ENC)pt_BR
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