Behavior of cementitious mixtures with filler carbonate subjected to accelerated carbonation
Calcium carbonate limestone filler is used as a partial replacement for clinker in cements to reduce carbon dioxide emissions and fill the voids in the cement paste. However, concrete durability conditions depend on the composition and the water/cement ratio, one of the major origin of concrete´s po...
| Main Authors: | , , , , , , , , |
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| Format: | Article |
| Language: | English |
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Elsevier
2022-12-01
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| Series: | Case Studies in Construction Materials |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2214509522004326 |
| _version_ | 1811325659747713024 |
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| author | Munique Fante Francisco Roger Carneiro Ribeiro David Brandão Nunes Regina Célia Espinosa Modolo Claudio de Souza Kazmierczak Mauricio Mancio Francisco Manoel Wohnrath Tognoli Afonso Rangel Garcez de Azevedo Marlova Piva Kulakowski |
| author_facet | Munique Fante Francisco Roger Carneiro Ribeiro David Brandão Nunes Regina Célia Espinosa Modolo Claudio de Souza Kazmierczak Mauricio Mancio Francisco Manoel Wohnrath Tognoli Afonso Rangel Garcez de Azevedo Marlova Piva Kulakowski |
| author_sort | Munique Fante |
| collection | DOAJ |
| description | Calcium carbonate limestone filler is used as a partial replacement for clinker in cements to reduce carbon dioxide emissions and fill the voids in the cement paste. However, concrete durability conditions depend on the composition and the water/cement ratio, one of the major origin of concrete´s porosity. The objective of this study was to evaluate physical and chemical effects of calcium carbonate limestone filler in mortar pastes subjected to accelerated carbonation. Composite formulations were elaborated with three proportions of filler substitution (15%, 25% and 35%) and three water/cement ratios (0.42, 0.50 and 0.58). Physical, chemical and mineral characterizations were performed on Portland cement PC V and calcium carbonate limestone. The resulting mortar paste formulations were evaluated with respect to mechanical strength and capillary water absorption both for samples without carbonation and with accelerated exposure conditions. In the latter, carbonation depth penetration was also ascertained. Carbonation effects were determined from X-ray diffraction and thermogravimetric analysis. Results on compression strength and water absorption determined that a 25% filler substitution achieved the best performance with 40.72 MPa and an absorption of up to 7% for the water/cement ratio of 0.42. The carbonation coefficient was primarily affected by the water/cement ratio rather than substitution level. Thermal and mineral analysis indicated that carbonation consumed portlandite and formed calcite. Further calcium carbonate polymorphs were identified after 28 days of accelerated carbonation as a result so far unreported in studies of Portland cement. |
| first_indexed | 2024-04-13T14:36:57Z |
| format | Article |
| id | doaj.art-6ae335283a7b4bcc8ecdb7f659638afa |
| institution | Directory Open Access Journal |
| issn | 2214-5095 |
| language | English |
| last_indexed | 2024-04-13T14:36:57Z |
| publishDate | 2022-12-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Case Studies in Construction Materials |
| spelling | doaj.art-6ae335283a7b4bcc8ecdb7f659638afa2022-12-22T02:43:00ZengElsevierCase Studies in Construction Materials2214-50952022-12-0117e01300Behavior of cementitious mixtures with filler carbonate subjected to accelerated carbonationMunique Fante0Francisco Roger Carneiro Ribeiro1David Brandão Nunes2Regina Célia Espinosa Modolo3Claudio de Souza Kazmierczak4Mauricio Mancio5Francisco Manoel Wohnrath Tognoli6Afonso Rangel Garcez de Azevedo7Marlova Piva Kulakowski8Civil Engineering Graduate Program, Vale do Rio do Sinos University (UNISINOS), Av. Unisinos, 950, Cristo Rei, São Leopoldo, Rio Grande do Sul, BrazilGraduate Program in Civil Engineering: Construction and Infrastructure, Federal University of Rio Grande do Sul (UFRGS), Av. Osvaldo Aranha, 99, Centro Histórico, Porto Alegre, Rio Grande do Sul, BrazilCivil Engineering Graduate Program, Vale do Rio do Sinos University (UNISINOS), Av. Unisinos, 950, Cristo Rei, São Leopoldo, Rio Grande do Sul, BrazilCivil Engineering Graduate Program, Vale do Rio do Sinos University (UNISINOS), Av. Unisinos, 950, Cristo Rei, São Leopoldo, Rio Grande do Sul, BrazilCivil Engineering Graduate Program, Vale do Rio do Sinos University (UNISINOS), Av. Unisinos, 950, Cristo Rei, São Leopoldo, Rio Grande do Sul, BrazilCivil Engineering Graduate Program, Vale do Rio do Sinos University (UNISINOS), Av. Unisinos, 950, Cristo Rei, São Leopoldo, Rio Grande do Sul, BrazilGraduate Program in Geology, Vale do Rio dos Sinos University (UNISINOS), Av. Unisinos, 950, Cristo Rei, São Leopoldo, Rio Grande do Sul, BrazilCivil Engineering Laboratory (LECIV), State University of Norte Fluminense Darcy Ribeiro (UENF), Av. Alberto Lamego, 2000 Rio de Janeiro, BrazilCivil Engineering Graduate Program, Vale do Rio do Sinos University (UNISINOS), Av. Unisinos, 950, Cristo Rei, São Leopoldo, Rio Grande do Sul, Brazil; Corresponding author.Calcium carbonate limestone filler is used as a partial replacement for clinker in cements to reduce carbon dioxide emissions and fill the voids in the cement paste. However, concrete durability conditions depend on the composition and the water/cement ratio, one of the major origin of concrete´s porosity. The objective of this study was to evaluate physical and chemical effects of calcium carbonate limestone filler in mortar pastes subjected to accelerated carbonation. Composite formulations were elaborated with three proportions of filler substitution (15%, 25% and 35%) and three water/cement ratios (0.42, 0.50 and 0.58). Physical, chemical and mineral characterizations were performed on Portland cement PC V and calcium carbonate limestone. The resulting mortar paste formulations were evaluated with respect to mechanical strength and capillary water absorption both for samples without carbonation and with accelerated exposure conditions. In the latter, carbonation depth penetration was also ascertained. Carbonation effects were determined from X-ray diffraction and thermogravimetric analysis. Results on compression strength and water absorption determined that a 25% filler substitution achieved the best performance with 40.72 MPa and an absorption of up to 7% for the water/cement ratio of 0.42. The carbonation coefficient was primarily affected by the water/cement ratio rather than substitution level. Thermal and mineral analysis indicated that carbonation consumed portlandite and formed calcite. Further calcium carbonate polymorphs were identified after 28 days of accelerated carbonation as a result so far unreported in studies of Portland cement.http://www.sciencedirect.com/science/article/pii/S2214509522004326Calcium carbonate limestoneCarbonationCalcium carbonate polymorphsAccelerated carbonation |
| spellingShingle | Munique Fante Francisco Roger Carneiro Ribeiro David Brandão Nunes Regina Célia Espinosa Modolo Claudio de Souza Kazmierczak Mauricio Mancio Francisco Manoel Wohnrath Tognoli Afonso Rangel Garcez de Azevedo Marlova Piva Kulakowski Behavior of cementitious mixtures with filler carbonate subjected to accelerated carbonation Case Studies in Construction Materials Calcium carbonate limestone Carbonation Calcium carbonate polymorphs Accelerated carbonation |
| title | Behavior of cementitious mixtures with filler carbonate subjected to accelerated carbonation |
| title_full | Behavior of cementitious mixtures with filler carbonate subjected to accelerated carbonation |
| title_fullStr | Behavior of cementitious mixtures with filler carbonate subjected to accelerated carbonation |
| title_full_unstemmed | Behavior of cementitious mixtures with filler carbonate subjected to accelerated carbonation |
| title_short | Behavior of cementitious mixtures with filler carbonate subjected to accelerated carbonation |
| title_sort | behavior of cementitious mixtures with filler carbonate subjected to accelerated carbonation |
| topic | Calcium carbonate limestone Carbonation Calcium carbonate polymorphs Accelerated carbonation |
| url | http://www.sciencedirect.com/science/article/pii/S2214509522004326 |
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