Avaliação do ciclo de vida e do custo de uma edificação de concreto estrutural com diferentes traços: estudo do berço ao portão
Ano de defesa: | 2015 |
---|---|
Autor(a) principal: | |
Orientador(a): | |
Banca de defesa: | , |
Tipo de documento: | Dissertação |
Tipo de acesso: | Acesso aberto |
Idioma: | por |
Instituição de defesa: |
Universidade Federal de Santa Maria
Centro de Tecnologia |
Programa de Pós-Graduação: |
Programa de Pós-Graduação em Engenharia Civil
|
Departamento: |
Engenharia Civil
|
País: |
Brasil
|
Palavras-chave em Português: | |
Palavras-chave em Inglês: | |
Área do conhecimento CNPq: | |
Link de acesso: | http://repositorio.ufsm.br/handle/1/20761 |
Resumo: | Consumption and employability of concrete are widely recognized in the construction sector which is related to many environmental impacts. In this context, technical solutions that associate environmental sustainability and cost feasibility are needed. This case study aims to evaluate the sustainability of a structural concrete building executable in Santa Maria – RS integrating environmental and economic aspects. The concrete building was designed with two levels of compressive strength, 30 and 50 MPa, and two types of Portland cement, pozzolanic compound (CP II-Z) and pozzolanic (CP IV) were used, which experimentally originate four mixtures: II30, IV30, II50 and IV50. Considering the materials consumption, the Life Cycle Assessment was used to quantify the environmental impacts and the Life Cycle Cost to measure the associated initial cost, with a cradle-to-gate approach. The acquisition of raw materials, the production of concrete and the execution of the structure were considered for the building as a whole and as structural elements. The unitary analysis was the most expressive in order to present the results and it turns out that the increase of the concrete strength from 30 to 50 MPa favored the building sustainability. Differences between the results were more meaningful varying the fck than the cement type, with a slight preference for the CPIV one. Among the structural elements, the slabs offered the best performance, followed by stairs, beams and pillars. In addition, an overall analysis also suggests that the best alternative is the IV50 mixture. |
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2021-05-03T18:30:38Z2021-05-03T18:30:38Z2015-06-25http://repositorio.ufsm.br/handle/1/20761Consumption and employability of concrete are widely recognized in the construction sector which is related to many environmental impacts. In this context, technical solutions that associate environmental sustainability and cost feasibility are needed. This case study aims to evaluate the sustainability of a structural concrete building executable in Santa Maria – RS integrating environmental and economic aspects. The concrete building was designed with two levels of compressive strength, 30 and 50 MPa, and two types of Portland cement, pozzolanic compound (CP II-Z) and pozzolanic (CP IV) were used, which experimentally originate four mixtures: II30, IV30, II50 and IV50. Considering the materials consumption, the Life Cycle Assessment was used to quantify the environmental impacts and the Life Cycle Cost to measure the associated initial cost, with a cradle-to-gate approach. The acquisition of raw materials, the production of concrete and the execution of the structure were considered for the building as a whole and as structural elements. The unitary analysis was the most expressive in order to present the results and it turns out that the increase of the concrete strength from 30 to 50 MPa favored the building sustainability. Differences between the results were more meaningful varying the fck than the cement type, with a slight preference for the CPIV one. Among the structural elements, the slabs offered the best performance, followed by stairs, beams and pillars. In addition, an overall analysis also suggests that the best alternative is the IV50 mixture.O concreto destaca-se por seu elevado consumo e empregabilidade na construção civil à qual são associados diversos impactos ambientais, evidenciando-se a necessidade de adoção de soluções técnicas ambientalmente sustentáveis considerando-se a factibilidade em relação aos custos. Sob esse aspecto, o presente estudo de caso objetiva a análise da sustentabilidade de uma edificação de concreto estrutural executável na cidade de Santa Maria – RS com a integração de aspectos ambientais e econômicos. A edificação foi dimensionada para dois níveis de resistência à compressão do concreto, 30 e 50 MPa, e foram considerados dois tipos de cimento, cimento Portland composto (CP II-Z 32) e cimento Portland pozolânico (CP IV 32), definindo, experimentalmente, os quatro traços: II30, IV30, II50 e IV50. Com base nos quantitativos de materiais, procedeu-se a Avaliação do Ciclo de Vida para quantificação dos impactos ambientais e o Custo do Ciclo de Vida para estimativa dos custos iniciais associados, com abordagem do berço ao portão. Foram contempladas as etapas de obtenção dos insumos, produção do concreto e execução da estrutura, para a edificação como um todo e por elemento estrutural. Da análise unitária de impactos e custos, a qual se mostrou mais expressiva, concluiu-se que o aumento da resistência do concreto de 30 para 50 MPa é favorável à sustentabilidade, assim como o emprego de cimento CP IV, embora com pequenos benefícios em relação ao CP II-Z. Por sua vez, dentre os elementos estruturais, as lajes destacaram-se pelo melhor desempenho, seguidas pelas escadas, vigas e pilares. Comparativamente, a análise global sugere que a melhor alternativa é dada pelo traço IV50.Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPESporUniversidade Federal de Santa MariaCentro de TecnologiaPrograma de Pós-Graduação em Engenharia CivilUFSMBrasilEngenharia CivilAttribution-NonCommercial-NoDerivatives 4.0 Internationalhttp://creativecommons.org/licenses/by-nc-nd/4.0/info:eu-repo/semantics/openAccessEstrutura de concretoSustentabilidadeAvaliação do ciclo de vidaCusto do ciclo de vidaStructural concrete buildingSustainabilityLife cycle assessmentLife cycle costCNPQ::ENGENHARIAS::ENGENHARIA CIVILAvaliação do ciclo de vida e do custo de uma edificação de concreto estrutural com diferentes traços: estudo do berço ao portãoLife cycle assessment and cost of a structural concrete building with different mixtures: a cradle-to-gate studyinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesisIsaia, Geraldo Cechellahttp://lattes.cnpq.br/8260652949733370Grigoletti, Giane de CamposXXXXXXXXXXXXXXXMancio, MauricioXXXXXXXXXXXXXXhttp://lattes.cnpq.br/8971163797462699Schmidt, Raquel Petry Brondani3001000000036005d5ff349-6e1b-45f0-a3fc-dfb31b446dec454f22b3-ed37-4446-84f6-efc95cb968f685286227-e44b-4f44-8332-830f4a664f34a7d73765-6a38-470b-8de7-d73c4aed95efreponame:Biblioteca Digital de Teses e Dissertações do UFSMinstname:Universidade Federal de Santa Maria (UFSM)instacron:UFSMORIGINALDIS_PPGEC_2015_BRONDANI_RAQUEL.pdfDIS_PPGEC_2015_BRONDANI_RAQUEL.pdfDissertação de Mestradoapplication/pdf3485961http://repositorio.ufsm.br/bitstream/1/20761/1/DIS_PPGEC_2015_BRONDANI_RAQUEL.pdfbc7544b5eadcb8b387e860ae876279eaMD51CC-LICENSElicense_rdflicense_rdfapplication/rdf+xml; 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dc.title.por.fl_str_mv |
Avaliação do ciclo de vida e do custo de uma edificação de concreto estrutural com diferentes traços: estudo do berço ao portão |
dc.title.alternative.eng.fl_str_mv |
Life cycle assessment and cost of a structural concrete building with different mixtures: a cradle-to-gate study |
title |
Avaliação do ciclo de vida e do custo de uma edificação de concreto estrutural com diferentes traços: estudo do berço ao portão |
spellingShingle |
Avaliação do ciclo de vida e do custo de uma edificação de concreto estrutural com diferentes traços: estudo do berço ao portão Schmidt, Raquel Petry Brondani Estrutura de concreto Sustentabilidade Avaliação do ciclo de vida Custo do ciclo de vida Structural concrete building Sustainability Life cycle assessment Life cycle cost CNPQ::ENGENHARIAS::ENGENHARIA CIVIL |
title_short |
Avaliação do ciclo de vida e do custo de uma edificação de concreto estrutural com diferentes traços: estudo do berço ao portão |
title_full |
Avaliação do ciclo de vida e do custo de uma edificação de concreto estrutural com diferentes traços: estudo do berço ao portão |
title_fullStr |
Avaliação do ciclo de vida e do custo de uma edificação de concreto estrutural com diferentes traços: estudo do berço ao portão |
title_full_unstemmed |
Avaliação do ciclo de vida e do custo de uma edificação de concreto estrutural com diferentes traços: estudo do berço ao portão |
title_sort |
Avaliação do ciclo de vida e do custo de uma edificação de concreto estrutural com diferentes traços: estudo do berço ao portão |
author |
Schmidt, Raquel Petry Brondani |
author_facet |
Schmidt, Raquel Petry Brondani |
author_role |
author |
dc.contributor.advisor1.fl_str_mv |
Isaia, Geraldo Cechella |
dc.contributor.advisor1Lattes.fl_str_mv |
http://lattes.cnpq.br/8260652949733370 |
dc.contributor.referee1.fl_str_mv |
Grigoletti, Giane de Campos |
dc.contributor.referee1Lattes.fl_str_mv |
XXXXXXXXXXXXXXX |
dc.contributor.referee2.fl_str_mv |
Mancio, Mauricio |
dc.contributor.referee2Lattes.fl_str_mv |
XXXXXXXXXXXXXX |
dc.contributor.authorLattes.fl_str_mv |
http://lattes.cnpq.br/8971163797462699 |
dc.contributor.author.fl_str_mv |
Schmidt, Raquel Petry Brondani |
contributor_str_mv |
Isaia, Geraldo Cechella Grigoletti, Giane de Campos Mancio, Mauricio |
dc.subject.por.fl_str_mv |
Estrutura de concreto Sustentabilidade Avaliação do ciclo de vida Custo do ciclo de vida |
topic |
Estrutura de concreto Sustentabilidade Avaliação do ciclo de vida Custo do ciclo de vida Structural concrete building Sustainability Life cycle assessment Life cycle cost CNPQ::ENGENHARIAS::ENGENHARIA CIVIL |
dc.subject.eng.fl_str_mv |
Structural concrete building Sustainability Life cycle assessment Life cycle cost |
dc.subject.cnpq.fl_str_mv |
CNPQ::ENGENHARIAS::ENGENHARIA CIVIL |
description |
Consumption and employability of concrete are widely recognized in the construction sector which is related to many environmental impacts. In this context, technical solutions that associate environmental sustainability and cost feasibility are needed. This case study aims to evaluate the sustainability of a structural concrete building executable in Santa Maria – RS integrating environmental and economic aspects. The concrete building was designed with two levels of compressive strength, 30 and 50 MPa, and two types of Portland cement, pozzolanic compound (CP II-Z) and pozzolanic (CP IV) were used, which experimentally originate four mixtures: II30, IV30, II50 and IV50. Considering the materials consumption, the Life Cycle Assessment was used to quantify the environmental impacts and the Life Cycle Cost to measure the associated initial cost, with a cradle-to-gate approach. The acquisition of raw materials, the production of concrete and the execution of the structure were considered for the building as a whole and as structural elements. The unitary analysis was the most expressive in order to present the results and it turns out that the increase of the concrete strength from 30 to 50 MPa favored the building sustainability. Differences between the results were more meaningful varying the fck than the cement type, with a slight preference for the CPIV one. Among the structural elements, the slabs offered the best performance, followed by stairs, beams and pillars. In addition, an overall analysis also suggests that the best alternative is the IV50 mixture. |
publishDate |
2015 |
dc.date.issued.fl_str_mv |
2015-06-25 |
dc.date.accessioned.fl_str_mv |
2021-05-03T18:30:38Z |
dc.date.available.fl_str_mv |
2021-05-03T18:30:38Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/masterThesis |
format |
masterThesis |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://repositorio.ufsm.br/handle/1/20761 |
url |
http://repositorio.ufsm.br/handle/1/20761 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.cnpq.fl_str_mv |
300100000003 |
dc.relation.confidence.fl_str_mv |
600 |
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dc.rights.driver.fl_str_mv |
Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/ info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/ |
eu_rights_str_mv |
openAccess |
dc.publisher.none.fl_str_mv |
Universidade Federal de Santa Maria Centro de Tecnologia |
dc.publisher.program.fl_str_mv |
Programa de Pós-Graduação em Engenharia Civil |
dc.publisher.initials.fl_str_mv |
UFSM |
dc.publisher.country.fl_str_mv |
Brasil |
dc.publisher.department.fl_str_mv |
Engenharia Civil |
publisher.none.fl_str_mv |
Universidade Federal de Santa Maria Centro de Tecnologia |
dc.source.none.fl_str_mv |
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