MITIGATION OF ADDITIONAL OVERDESIGN IN PORTLAND CEMENT CONCRETE BY OPTIMIZING THE CEMENTITIOUS MATERIALS CONTENT

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MITIGATION OF ADDITIONAL OVERDESIGN IN PORTLAND CEMENT CONCRETE BY OPTIMIZING THE CEMENTITIOUS MATERIALS CONTENT

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dc.creator Antunes, Rodrigo
dc.date 2022-09-02
dc.date.accessioned 2023-05-29T21:29:32Z
dc.date.available 2023-05-29T21:29:32Z
dc.identifier https://ojs.sites.ufsc.br/index.php/mixsustentavel/article/view/4749
dc.identifier 10.29183/2447-3073.MIX2022.v8.n4.19-26
dc.identifier.uri https://repositorio.ufsc.br/handle/123456789/246628
dc.description More cement does not necessarily make better concrete or expedite construction schedules. In contrast, concrete with lower cementitious content can reach sufficient strength on time to avoid construction delays and last longer. Standard specifications require concrete overdesign (OD) for decades, but studies assessing the actual OD magnitudes are rare. This experimental study aimed to identify the required cementitious materials content (RCC) to meet the OD based on 958 compressive strength tests (σ) representing 8200 m3 of ready-mixed concrete for threshold buildings. The actual OD in commercial concrete appears to be 7 to 21% higher than required. The cementitious materials content should be reduced between 6 and 17% so that concrete can reach the required compressive strength (f’cr) without cement overconsumption. The additional overdesign (AOD) increased significantly as the specified compressive strength (f’c) increased, indicating that concrete producers can be more cautious when the f’cr is higher. Further research is needed to expand the range of cementitious contents and applications. en-US
dc.description pt-BR
dc.format application/pdf
dc.language eng
dc.publisher UFSC - Federal University of Santa Catarina pt-BR
dc.relation https://ojs.sites.ufsc.br/index.php/mixsustentavel/article/view/4749/4708
dc.rights Copyright (c) 2022 Rodrigo Antunes pt-BR
dc.rights https://creativecommons.org/licenses/by/4.0 pt-BR
dc.source Mix Sustentável; Vol. 8 No. 4 (2022): Mix Sustentável (regular); 19-26 en-US
dc.source MIX Sustentável; v. 8 n. 4 (2022): Mix Sustentável (regular); 19-26 pt-BR
dc.source 2447-3073
dc.source 2447-0899
dc.subject Overconsumption en-US
dc.subject Portland cement en-US
dc.subject Concrete en-US
dc.subject Limestone aggregates en-US
dc.subject Overdesign en-US
dc.subject Overstrength en-US
dc.subject Compressive strength. en-US
dc.subject Concrete en-US
dc.subject Teor de cimento pt-BR
dc.subject Cimento Portland pt-BR
dc.subject Concreto pt-BR
dc.subject Agregado calcário pt-BR
dc.subject Superdimensionamento pt-BR
dc.subject Resistência a compressão pt-BR
dc.subject Engenharia Civil pt-BR
dc.title MITIGATION OF ADDITIONAL OVERDESIGN IN PORTLAND CEMENT CONCRETE BY OPTIMIZING THE CEMENTITIOUS MATERIALS CONTENT en-US
dc.title MITIGAÇÃO DO SUPERDIMENSIONAMENTO EXCESSIVO DO CONCRETO PELA OTIMIZAÇÃO DO TEOR DE MATERIAIS CIMENTÍCIOS pt-BR
dc.type info:eu-repo/semantics/article
dc.description.version publisher version
dc.coverage Nacional pt-BR


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This item appears in the following Collection(s)

  • Mix Sustentável [625]
    Periódico Científico Interdisciplinar: Arquitetura e Urbanismo, Design e Engenharias

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