Utilização de resíduos de construção e demolição na fabricação de blocos de concreto estrutural com adição de óxido de grafeno
Autor(a) principal: | |
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Data de Publicação: | 2020 |
Tipo de documento: | Tese |
Idioma: | por |
Título da fonte: | Biblioteca Digital de Teses e Dissertações do Mackenzie |
Texto Completo: | https://dspace.mackenzie.br/handle/10899/28442 |
Resumo: | The increased demand for obtaining and improving materials that are more durable and efficient in the construction industry, presents an opportunity invaluable for the development of new materials with the application of nanomaterials and the use of construction and demolition waste (CDW) generated within the construction industry. Graphene oxide (GO) stands out for being a two-dimensional nanomaterial based on carbon that when added to concrete in low proportions modifies the hydration mechanism of Portland cement and its microstructure, improving its compressive strength. The dispersed GO water was purchased at the Technology Center for Nanomaterials and Grafene (CTNANO) for use in this work. For the manufacture of blocks structural construction waste was used, being reusable or recyclable waste such as aggregates and demolition, renovation and pavement repair waste, including soil from earthworks, ceramic components (bricks, blocks, tiles, cladding plates, mortar and concrete, pieces pre-molded in sthe crushing of Class A Type materials, according to CONAMA RESOLUTION number 307/2002 and number 469/2015, and were made available as aggregates (Grit and Gravel 0). For the execution of the concrete used in the manufacture of the structural blocks, the following were added: Portland cement of high initial strength - CP V ARI, aggregates recycled materials, stone powder and water, subsequently received addition of graphene oxide in aqueous dispersion, in order to improve your it`s strenghth. The structural block obtained was characterized through mechanical and microstructural tests. To evaluate properties of the materials used to make the materials used to make the blocks and the final product obtained, until now, tests have been made on the specific mass of the aggregates, moisture content of the aggregates test, unit mass test, determination of the granulometric composition of aggregates, dimensional analysis and determination of compressive strength, determination of water absorption and liquid area, determination of shrinkage by drying, resistance to hollow prism compression, x-ray fluorescence and microscopy optics. The results showed that the addition of graphene oxide in dispersion water,in concentrations between 0,015% and 0,08%, caused a 112% increase in resistance to compression and decreased the water absorption of the structural block. Key words: nanomaterials, graphene oxide, concrete, construction waste (CDW) |
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2021-12-15T19:31:45Z2021-12-15T19:31:45Z2020-12-18RAMOS, Elizabeth das Chagas. Utilização de resíduos de construção e demolição na fabricação de blocos de concreto estrutural com adição de óxido de grafeno. 2020. ? f. Tese( Engenharia de Materiais e Nanotecnologia) - Universidade Presbiteriana Mackenzie, São Paulohttps://dspace.mackenzie.br/handle/10899/28442The increased demand for obtaining and improving materials that are more durable and efficient in the construction industry, presents an opportunity invaluable for the development of new materials with the application of nanomaterials and the use of construction and demolition waste (CDW) generated within the construction industry. Graphene oxide (GO) stands out for being a two-dimensional nanomaterial based on carbon that when added to concrete in low proportions modifies the hydration mechanism of Portland cement and its microstructure, improving its compressive strength. The dispersed GO water was purchased at the Technology Center for Nanomaterials and Grafene (CTNANO) for use in this work. For the manufacture of blocks structural construction waste was used, being reusable or recyclable waste such as aggregates and demolition, renovation and pavement repair waste, including soil from earthworks, ceramic components (bricks, blocks, tiles, cladding plates, mortar and concrete, pieces pre-molded in sthe crushing of Class A Type materials, according to CONAMA RESOLUTION number 307/2002 and number 469/2015, and were made available as aggregates (Grit and Gravel 0). For the execution of the concrete used in the manufacture of the structural blocks, the following were added: Portland cement of high initial strength - CP V ARI, aggregates recycled materials, stone powder and water, subsequently received addition of graphene oxide in aqueous dispersion, in order to improve your it`s strenghth. The structural block obtained was characterized through mechanical and microstructural tests. To evaluate properties of the materials used to make the materials used to make the blocks and the final product obtained, until now, tests have been made on the specific mass of the aggregates, moisture content of the aggregates test, unit mass test, determination of the granulometric composition of aggregates, dimensional analysis and determination of compressive strength, determination of water absorption and liquid area, determination of shrinkage by drying, resistance to hollow prism compression, x-ray fluorescence and microscopy optics. The results showed that the addition of graphene oxide in dispersion water,in concentrations between 0,015% and 0,08%, caused a 112% increase in resistance to compression and decreased the water absorption of the structural block. Key words: nanomaterials, graphene oxide, concrete, construction waste (CDW)O aumento da demanda na obtenção e aperfeiçoamento de materiais que sejam mais duráveis e eficientes, na indústria da construção civil, apresenta uma oportunidade inestimável para o desenvolvimento de novos materiais com a aplicação de nanomateriais e a utilização de resíduos de construção e demolição (RCD) gerados dentro da construção civil. O óxido de grafeno (GO) se destaca por ser um nanomaterial bidimensional à base de carbono que quando adicionado ao concreto em baixas proporções modifica o mecanismo de hidratação do cimento Portland e sua microestrutura, melhorando sua resistência a compressão. O GO em dispersão aquosa foi adquirido no Centro de Tecnologia em Nanomateriais e Grafeno (CTNANO), para utilização neste trabalho. Para a fabricação dos blocos estruturais foram utilizados resíduos de construção civil, sendo resíduos reutilizáveis ou recicláveis como agregados, sendo eles resíduos de construção, demolição, reformas e reparos de pavimentação, inclusive solos provenientes de terraplanagem, componentes cerâmicos (tijolos, blocos, telhas, placas de revestimento, argamassa e concreto, peças pré-moldadas em concreto, tubos e etc). Os resíduos foram obtidos em duas usinas que fazem a trituração de materiais do Tipo Classe A, conforme RESOLUÇÃO CONAMA nº307/2002 e nº469/2015, e foram disponibilizados em forma de agregados (Areia grossa, Areia Média e Brita 0). Para execução do concreto que foi utilizado na fabricação dos blocos estruturais adicionou-se: cimento Portland de alta resistência inicial CP V ARI, agregados reciclados, pó de brita e água, na sequência recebeu adição de óxido de grafeno em dispersão aquosa, com o objetivo de melhorar sua resistência. O bloco estrutural obtido foi caracterizado por meio de ensaios mecânicos e microestruturais. Para avaliação das propriedades dos materiais utilizados para confecção dos blocos e do produto final obtido, até o presente momento, foram realizados ensaios de massa específica dos agregados, teor de umidade dos agregados, massa unitária, determinação da composição granulométrica dos agregados, análise dimensional e determinação de resistência a compressão, determinação de absorção de água e de área líquida, determinação de retração por secagem, resistência a compressão de prisma-oco, fluorescência de raios x e microscopia óptica. Os resultados mostraram que a adição do óxido de grafeno em dispersão aquosa nas concentrações entre 0,015% e 0,08%, fez com que houvesse aumento de 112% da resistência a compressão e diminuiu a absorção de água do bloco estrutural. Palavras-chave: nanomateriais, óxido de grafeno, concreto, resíduos de construção civil (RCD)Coordenação de Aperfeiçoamento de Pessoal de Nível Superiorapplication/vnd.openxmlformats-officedocument.wordprocessingml.documentporUniversidade Presbiteriana MackenzieEngenharia de Materiais e NanotecnologiaUPMBrasilEscola de Engenharia Mackenzie (EE)http://creativecommons.org/licenses/by-nc-nd/4.0/info:eu-repo/semantics/openAccessnanomateriaisóxido de grafenoconcretoresíduos de construção civilCNPQ::ENGENHARIASUtilização de resíduos de construção e demolição na fabricação de blocos de concreto estrutural com adição de óxido de grafenoinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/doctoralThesisFlorêncio , Odilahttp://lattes.cnpq.br/9659972316642270Munhoz Junior , Antonio Hortenciohttp://lattes.cnpq.br/8233884614933594Vatavuk , Janhttp://lattes.cnpq.br/2607688973456560Valenzuela Diaz, Francisco Rolandohttp://lattes.cnpq.br/3539158603053300Silva Junior, Paulo Sérgiohttp://lattes.cnpq.br/7418621942217628http://lattes.cnpq.br/7068641979136685Ramos, Elizabeth das Chagasnanomaterialsgraphene oxideconcreteconstruction wastereponame:Biblioteca Digital de Teses e Dissertações do Mackenzieinstname:Universidade Presbiteriana Mackenzie (MACKENZIE)instacron:MACKENZIEORIGINALBDTD - trabalhos retidos.docxElizabeth das Chagas Ramosapplication/vnd.openxmlformats-officedocument.wordprocessingml.document12148https://dspace.mackenzie.br/bitstream/10899/28442/1/BDTD%20-%20trabalhos%20retidos.docx328927c85aacf6b199ab871c544b49c1MD51CC-LICENSElicense_urlapplication/octet-stream49https://dspace.mackenzie.br/bitstream/10899/28442/2/license_url4afdbb8c545fd630ea7db775da747b2fMD52license_textapplication/octet-stream0https://dspace.mackenzie.br/bitstream/10899/28442/3/license_textd41d8cd98f00b204e9800998ecf8427eMD53license_rdfapplication/octet-stream0https://dspace.mackenzie.br/bitstream/10899/28442/4/license_rdfd41d8cd98f00b204e9800998ecf8427eMD54LICENSElicense.txttext/plain2108https://dspace.mackenzie.br/bitstream/10899/28442/5/license.txt1ca4f25d161e955cf4b7a4aa65b8e96eMD55TEXTBDTD - trabalhos retidos.docx.txtBDTD - trabalhos retidos.docx.txtExtracted texttext/plain115https://dspace.mackenzie.br/bitstream/10899/28442/6/BDTD%20-%20trabalhos%20retidos.docx.txtc823ff5cddad75763e411a5461f3a243MD5610899/284422021-12-16 03:01:15.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Biblioteca Digital de Teses e Dissertaçõeshttp://tede.mackenzie.br/jspui/PRI |
dc.title.por.fl_str_mv |
Utilização de resíduos de construção e demolição na fabricação de blocos de concreto estrutural com adição de óxido de grafeno |
title |
Utilização de resíduos de construção e demolição na fabricação de blocos de concreto estrutural com adição de óxido de grafeno |
spellingShingle |
Utilização de resíduos de construção e demolição na fabricação de blocos de concreto estrutural com adição de óxido de grafeno Ramos, Elizabeth das Chagas nanomateriais óxido de grafeno concreto resíduos de construção civil CNPQ::ENGENHARIAS |
title_short |
Utilização de resíduos de construção e demolição na fabricação de blocos de concreto estrutural com adição de óxido de grafeno |
title_full |
Utilização de resíduos de construção e demolição na fabricação de blocos de concreto estrutural com adição de óxido de grafeno |
title_fullStr |
Utilização de resíduos de construção e demolição na fabricação de blocos de concreto estrutural com adição de óxido de grafeno |
title_full_unstemmed |
Utilização de resíduos de construção e demolição na fabricação de blocos de concreto estrutural com adição de óxido de grafeno |
title_sort |
Utilização de resíduos de construção e demolição na fabricação de blocos de concreto estrutural com adição de óxido de grafeno |
author |
Ramos, Elizabeth das Chagas |
author_facet |
Ramos, Elizabeth das Chagas |
author_role |
author |
dc.contributor.advisor1.fl_str_mv |
Florêncio , Odila |
dc.contributor.advisor1Lattes.fl_str_mv |
http://lattes.cnpq.br/9659972316642270 |
dc.contributor.referee1.fl_str_mv |
Munhoz Junior , Antonio Hortencio |
dc.contributor.referee1Lattes.fl_str_mv |
http://lattes.cnpq.br/8233884614933594 |
dc.contributor.referee2.fl_str_mv |
Vatavuk , Jan |
dc.contributor.referee2Lattes.fl_str_mv |
http://lattes.cnpq.br/2607688973456560 |
dc.contributor.referee3.fl_str_mv |
Valenzuela Diaz, Francisco Rolando |
dc.contributor.referee3Lattes.fl_str_mv |
http://lattes.cnpq.br/3539158603053300 |
dc.contributor.referee4.fl_str_mv |
Silva Junior, Paulo Sérgio |
dc.contributor.referee4Lattes.fl_str_mv |
http://lattes.cnpq.br/7418621942217628 |
dc.contributor.authorLattes.fl_str_mv |
http://lattes.cnpq.br/7068641979136685 |
dc.contributor.author.fl_str_mv |
Ramos, Elizabeth das Chagas |
contributor_str_mv |
Florêncio , Odila Munhoz Junior , Antonio Hortencio Vatavuk , Jan Valenzuela Diaz, Francisco Rolando Silva Junior, Paulo Sérgio |
dc.subject.por.fl_str_mv |
nanomateriais óxido de grafeno concreto resíduos de construção civil |
topic |
nanomateriais óxido de grafeno concreto resíduos de construção civil CNPQ::ENGENHARIAS |
dc.subject.cnpq.fl_str_mv |
CNPQ::ENGENHARIAS |
description |
The increased demand for obtaining and improving materials that are more durable and efficient in the construction industry, presents an opportunity invaluable for the development of new materials with the application of nanomaterials and the use of construction and demolition waste (CDW) generated within the construction industry. Graphene oxide (GO) stands out for being a two-dimensional nanomaterial based on carbon that when added to concrete in low proportions modifies the hydration mechanism of Portland cement and its microstructure, improving its compressive strength. The dispersed GO water was purchased at the Technology Center for Nanomaterials and Grafene (CTNANO) for use in this work. For the manufacture of blocks structural construction waste was used, being reusable or recyclable waste such as aggregates and demolition, renovation and pavement repair waste, including soil from earthworks, ceramic components (bricks, blocks, tiles, cladding plates, mortar and concrete, pieces pre-molded in sthe crushing of Class A Type materials, according to CONAMA RESOLUTION number 307/2002 and number 469/2015, and were made available as aggregates (Grit and Gravel 0). For the execution of the concrete used in the manufacture of the structural blocks, the following were added: Portland cement of high initial strength - CP V ARI, aggregates recycled materials, stone powder and water, subsequently received addition of graphene oxide in aqueous dispersion, in order to improve your it`s strenghth. The structural block obtained was characterized through mechanical and microstructural tests. To evaluate properties of the materials used to make the materials used to make the blocks and the final product obtained, until now, tests have been made on the specific mass of the aggregates, moisture content of the aggregates test, unit mass test, determination of the granulometric composition of aggregates, dimensional analysis and determination of compressive strength, determination of water absorption and liquid area, determination of shrinkage by drying, resistance to hollow prism compression, x-ray fluorescence and microscopy optics. The results showed that the addition of graphene oxide in dispersion water,in concentrations between 0,015% and 0,08%, caused a 112% increase in resistance to compression and decreased the water absorption of the structural block. Key words: nanomaterials, graphene oxide, concrete, construction waste (CDW) |
publishDate |
2020 |
dc.date.issued.fl_str_mv |
2020-12-18 |
dc.date.accessioned.fl_str_mv |
2021-12-15T19:31:45Z |
dc.date.available.fl_str_mv |
2021-12-15T19:31:45Z |
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info:eu-repo/semantics/doctoralThesis |
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dc.identifier.citation.fl_str_mv |
RAMOS, Elizabeth das Chagas. Utilização de resíduos de construção e demolição na fabricação de blocos de concreto estrutural com adição de óxido de grafeno. 2020. ? f. Tese( Engenharia de Materiais e Nanotecnologia) - Universidade Presbiteriana Mackenzie, São Paulo |
dc.identifier.uri.fl_str_mv |
https://dspace.mackenzie.br/handle/10899/28442 |
identifier_str_mv |
RAMOS, Elizabeth das Chagas. Utilização de resíduos de construção e demolição na fabricação de blocos de concreto estrutural com adição de óxido de grafeno. 2020. ? f. Tese( Engenharia de Materiais e Nanotecnologia) - Universidade Presbiteriana Mackenzie, São Paulo |
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Escola de Engenharia Mackenzie (EE) |
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Universidade Presbiteriana Mackenzie |
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