Blocos álcali-ativados de resíduos industriais compactados
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| Hlavní autor: | |
|---|---|
| Datum vydání: | 2018 |
| Médium: | Master thesis |
| Jazyk: | por |
| Zdroj: | Repositório Comum do Brasil - Deposita |
| Download full: | https://deposita.ibict.br/handle/deposita/407 |
Shrnutí: | Among the existing construction techniques, the use of the compacted earth block stands out because it is a product that dispenses the burning phase, besides the benefits as thermal and acoustic performance in accordance with the current norms. The blocks have the capacity to incorporate industrial waste and can be chemically stabilized by alkaline activation. Alkaline activation consists of obtaining a binder from aluminosilicate materials in highly alkaline solutions. Therefore, two residues generated in large volume by industrial processes, ashes produced by thermoelectric from eucalyptus biomass and iron ore tailings, were used to make alkaline activated compacted blocks. As a contribution to the destination of these materials, the objective of this work was to develop blocks using these residues, respecting the normative requirements. The ash and the tailings were characterized by scanning electron microscopy, X-ray fluorescence spectrometry, X-ray diffraction, differential and thermogravimetric analysis, fire loss and laser diffraction granulometry. Three composition ratios were proposed in the activator (SiO2 / Na2O = 1.00, 1.55 and 1.85) and three different ash and tail ratio (30-70, 50-50 and 70-30). These compositions were characterized by compressive strength and water absorption at 7 and 28 days. The trace with the ash/reject ratio 70/30 and SiO2/ Na2O 1.55 presented the best performance and was therefore selected for confection of the blocks. The blocks were submitted to tests of resistance to compression, water absorption, leaching and expansibility and showed higher results than the norms parameters in all the tests performed. |
| _version_ | 1872168165992038400 |
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| author | França, Sâmara |
| author_browse | França, Sâmara |
| author_facet | França, Sâmara |
| author_role | author |
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| collection | Repositório Comum do Brasil - Deposita |
| contributor_str_mv | Carvalho, Maria Cristina Bezerra, Augusto |
| dc.contributor.advisor-co1.fl_str_mv | Bezerra, Augusto |
| dc.contributor.advisor-co1Lattes.fl_str_mv | http://lattes.cnpq.br/0783179484317105 |
| dc.contributor.advisor1.fl_str_mv | Carvalho, Maria Cristina |
| dc.contributor.advisor1Lattes.fl_str_mv | http://lattes.cnpq.br/3175194904738511 |
| dc.contributor.author.fl_str_mv | França, Sâmara |
| dc.contributor.authorLattes.fl_str_mv | https://lattes.cnpq.br/0522046662381115 |
| dc.date.accessioned.fl_str_mv | 2023-08-23T19:10:39Z |
| dc.date.issued.fl_str_mv | 2018 |
| dc.format.none.fl_str_mv | application/pdf application/pdf |
| dc.identifier.uri.fl_str_mv | https://deposita.ibict.br/handle/deposita/407 |
| dc.language.iso.fl_str_mv | por |
| dc.publisher.country.fl_str_mv | Brasil |
| dc.publisher.department.fl_str_mv | Centro Federal de Educação Tecnológica de Minas Gerais |
| dc.publisher.none.fl_str_mv | Centro Federal de Educação Tecnológica de Minas Gerais |
| dc.publisher.program.fl_str_mv | Programa de Pós-graduação em Engenharia Civil |
| dc.rights.driver.fl_str_mv | info:eu-repo/semantics/openAccess |
| dc.source.none.fl_str_mv | reponame:Repositório Comum do Brasil - Deposita instname:Instituto Brasileiro de Informação em Ciência e Tecnologia (Ibict) instacron:IBICT |
| dc.subject.cnpq.fl_str_mv | Engenharia Civil |
| dc.subject.por.fl_str_mv | Cinza de cavaco de eucalipto Rejeito de minério de ferro Ativação alcalina Blocos compactados |
| dc.title.por.fl_str_mv | Blocos álcali-ativados de resíduos industriais compactados |
| dc.type.driver.fl_str_mv | info:eu-repo/semantics/masterThesis |
| dc.type.status.fl_str_mv | info:eu-repo/semantics/publishedVersion |
| description | Among the existing construction techniques, the use of the compacted earth block stands out because it is a product that dispenses the burning phase, besides the benefits as thermal and acoustic performance in accordance with the current norms. The blocks have the capacity to incorporate industrial waste and can be chemically stabilized by alkaline activation. Alkaline activation consists of obtaining a binder from aluminosilicate materials in highly alkaline solutions. Therefore, two residues generated in large volume by industrial processes, ashes produced by thermoelectric from eucalyptus biomass and iron ore tailings, were used to make alkaline activated compacted blocks. As a contribution to the destination of these materials, the objective of this work was to develop blocks using these residues, respecting the normative requirements. The ash and the tailings were characterized by scanning electron microscopy, X-ray fluorescence spectrometry, X-ray diffraction, differential and thermogravimetric analysis, fire loss and laser diffraction granulometry. Three composition ratios were proposed in the activator (SiO2 / Na2O = 1.00, 1.55 and 1.85) and three different ash and tail ratio (30-70, 50-50 and 70-30). These compositions were characterized by compressive strength and water absorption at 7 and 28 days. The trace with the ash/reject ratio 70/30 and SiO2/ Na2O 1.55 presented the best performance and was therefore selected for confection of the blocks. The blocks were submitted to tests of resistance to compression, water absorption, leaching and expansibility and showed higher results than the norms parameters in all the tests performed. |
| eu_rights_str_mv | openAccess |
| format | masterThesis |
| id | IBICT-1_aa115b9217b72cf857b1ddcf97995a2f |
| instacron_str | IBICT |
| institution | IBICT |
| instname_str | Instituto Brasileiro de Informação em Ciência e Tecnologia (Ibict) |
| language | por |
| network_acronym_str | IBICT-1 |
| network_name_str | Repositório Comum do Brasil - Deposita |
| oai_identifier_str | oai:deposita.ibict.br:deposita/407 |
| publishDate | 2018 |
| publishDateSort | 2018 |
| publisher.none.fl_str_mv | Centro Federal de Educação Tecnológica de Minas Gerais |
| reponame_str | Repositório Comum do Brasil - Deposita |
| repository.mail.fl_str_mv | deposita@ibict.br |
| repository.name.fl_str_mv | Repositório Comum do Brasil - Deposita - Instituto Brasileiro de Informação em Ciência e Tecnologia (Ibict) |
| repository_id_str | 4658 |
| spelling | Carvalho, Maria Cristinahttp://lattes.cnpq.br/3175194904738511Bezerra, Augustohttp://lattes.cnpq.br/0783179484317105https://lattes.cnpq.br/0522046662381115França, Sâmara2023-08-23T19:10:39Z2018https://deposita.ibict.br/handle/deposita/407Among the existing construction techniques, the use of the compacted earth block stands out because it is a product that dispenses the burning phase, besides the benefits as thermal and acoustic performance in accordance with the current norms. The blocks have the capacity to incorporate industrial waste and can be chemically stabilized by alkaline activation. Alkaline activation consists of obtaining a binder from aluminosilicate materials in highly alkaline solutions. Therefore, two residues generated in large volume by industrial processes, ashes produced by thermoelectric from eucalyptus biomass and iron ore tailings, were used to make alkaline activated compacted blocks. As a contribution to the destination of these materials, the objective of this work was to develop blocks using these residues, respecting the normative requirements. The ash and the tailings were characterized by scanning electron microscopy, X-ray fluorescence spectrometry, X-ray diffraction, differential and thermogravimetric analysis, fire loss and laser diffraction granulometry. Three composition ratios were proposed in the activator (SiO2 / Na2O = 1.00, 1.55 and 1.85) and three different ash and tail ratio (30-70, 50-50 and 70-30). These compositions were characterized by compressive strength and water absorption at 7 and 28 days. The trace with the ash/reject ratio 70/30 and SiO2/ Na2O 1.55 presented the best performance and was therefore selected for confection of the blocks. The blocks were submitted to tests of resistance to compression, water absorption, leaching and expansibility and showed higher results than the norms parameters in all the tests performed.Dentre as técnicas construtivas existentes, o uso do bloco de terra compactado se destaca por se tratar de um produto que dispensa a fase de queima, além dos benefícios como desempenho térmico e acústico em acordo com as normas vigentes. Os blocos possuem a capacidade de incorporar resíduos industriais e podem ser a estabilizados quimicamente por meio da ativação alcalina. A ativação alcalina consiste na obtenção de um aglomerante a partir de materiais aluminossilicatos em soluções altamente alcalinas. Diante disso, dois resíduos gerados em grande volume por processos industriais, cinzas produzidas por termoelétricas a partir da biomassa de eucalipto e o rejeito de minério de ferro, foram utilizados para confecção de blocos compactados ativados alcalinamente. Como contribuição para a destinação destes materiais, o objetivo deste trabalho foi desenvolver blocos utilizando estes resíduos, respeitando-se as exigências normativas. A cinza e o rejeito foram caracterizados por microscopia eletrônica de varredura, espectrometria de fluorescência de raios X, difração de raios X, análise térmica diferencial e termogravimétrica, perda ao fogo e granulometria por difração a laser. Foram propostas três relações de composição no ativador (SiO2/Na2O = 1,00, 1,55 e 1,85) e três proporções de cinza e rejeito diferentes (30-70, 50-50 e 70-30). Estes traços foram caracterizados por resistência à compressão e absorção de água aos 7 e aos 28 dias. O traço com a relação cinza/rejeito 70/30 e SiO2/Na2O 1,55 apresentou o melhor desempenho e por isso foi selecionado para confecção dos blocos. Os blocos foram submetidos a ensaios de resistência à compressão, absorção de água, lixiviação e expansibilidade e apresentaram resultados superiores aos parâmetros das normas em todos os testes realizados.CapesCNPqCEFET-MGSudeste-1application/pdfapplication/pdfporCentro Federal de Educação Tecnológica de Minas GeraisPrograma de Pós-graduação em Engenharia CivilBrasilCentro Federal de Educação Tecnológica de Minas GeraisCinza de cavaco de eucaliptoRejeito de minério de ferroAtivação alcalinaBlocos compactadosEngenharia CivilBlocos álcali-ativados de resíduos industriais compactadosinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesisinfo:eu-repo/semantics/openAccessreponame:Repositório Comum do Brasil - Depositainstname:Instituto Brasileiro de Informação em Ciência e Tecnologia (Ibict)instacron:IBICTTEXTDissertação corrigida Sâmara - com ficha catalográfica.pdf.txtWritten by FormatFilter org.dspace.app.mediafilter.TikaTextExtractionFilter on 2025-06-06T20:17:52Z (GMT).Extracted texttext/plain102937https://deposita.ibict.br/bitstreams/e86cd8a0-b28f-433c-8ae9-ecb4c5b4539c/download28d632aaf0bc40a7092d12bd74cdcdd0MD53falseAnonymousREADTHUMBNAILDissertação corrigida Sâmara - com ficha catalográfica.pdf.jpgWritten by FormatFilter org.dspace.app.mediafilter.PDFBoxThumbnail on 2025-06-06T20:17:52Z (GMT).Generated Thumbnailimage/jpeg2783https://deposita.ibict.br/bitstreams/d12f9f3a-d504-474d-8707-ed6cabcb8ba4/downloadb7941ff2cbf6b5dc7b0faf453904d411MD54falseAnonymousREADLICENSElicense.txtWritten by org.dspace.content.LicenseUtilstext/plain; charset=utf-81867https://deposita.ibict.br/bitstreams/5bda0115-45fb-495c-b7d7-0a6be8277a29/downloada7c148eec59885ba1ba6d14692be8465MD51falseAnonymousREADORIGINALDissertação corrigida Sâmara - com ficha catalográfica.pdf/dspace/deposita/upload/Dissertação corrigida Sâmara - com ficha catalográfica.pdfDocumento principalapplication/pdf6574305https://deposita.ibict.br/bitstreams/9176bdea-0a51-4007-b14d-4b7bae36b49e/download60712fbf241fc2e59397b5a57bba31d4MD52trueAnonymousREADdeposita/4072026-05-13T12:41:57.132274Zopen.accessoai:deposita.ibict.br:deposita/407https://deposita.ibict.brRepositório ComumPUBhttp://deposita.ibict.br/oai/requestdeposita@ibict.bropendoar:46582026-05-13T12:41:57Repositório Comum do Brasil - Deposita - Instituto Brasileiro de Informação em Ciência e Tecnologia (Ibict)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 |
| spellingShingle | Blocos álcali-ativados de resíduos industriais compactados França, Sâmara Cinza de cavaco de eucalipto Rejeito de minério de ferro Ativação alcalina Blocos compactados Engenharia Civil |
| status_str | publishedVersion |
| title | Blocos álcali-ativados de resíduos industriais compactados |
| title_full | Blocos álcali-ativados de resíduos industriais compactados |
| title_fullStr | Blocos álcali-ativados de resíduos industriais compactados |
| title_full_unstemmed | Blocos álcali-ativados de resíduos industriais compactados |
| title_short | Blocos álcali-ativados de resíduos industriais compactados |
| title_sort | Blocos álcali-ativados de resíduos industriais compactados |
| topic | Cinza de cavaco de eucalipto Rejeito de minério de ferro Ativação alcalina Blocos compactados Engenharia Civil |
| url | https://deposita.ibict.br/handle/deposita/407 |