Self-Leveling Mortars Produced with Different Types of Cement: Physical–Mechanical Properties and Carbon Emissions

Brenda Maiara Oliveira Alves (), Misley da Cruz Teixeira, Karen Suely Martins Bernardo, Luciana de Nazaré Pinheiro Cordeiro () and Edna Possan
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Brenda Maiara Oliveira Alves: Graduate Program in Energy Infrastructure and Development (PPGINDE), Tucuruí Campus, Federal University of Pará, Rodovia BR 422, km 13, Canteiro de Obras UHE, Tucuruí 68464-000, Brazil
Misley da Cruz Teixeira: Graduate Program in Energy Infrastructure and Development (PPGINDE), Tucuruí Campus, Federal University of Pará, Rodovia BR 422, km 13, Canteiro de Obras UHE, Tucuruí 68464-000, Brazil
Karen Suely Martins Bernardo: Graduate Program in Energy Infrastructure and Development (PPGINDE), Tucuruí Campus, Federal University of Pará, Rodovia BR 422, km 13, Canteiro de Obras UHE, Tucuruí 68464-000, Brazil
Luciana de Nazaré Pinheiro Cordeiro: Graduate Program in Energy Infrastructure and Development (PPGINDE), Tucuruí Campus, Federal University of Pará, Rodovia BR 422, km 13, Canteiro de Obras UHE, Tucuruí 68464-000, Brazil
Edna Possan: Performance, Structures and Materials Laboratory, Federal University of Latin American Integration, Foz do Iguaçu 85870-650, Brazil

Sustainability, 2024, vol. 16, issue 14, 1-15

Abstract: Self-leveling mortars are a product that stands out in the market for optimizing production. Greater speed of application is achieved due to its high fluidity, and the ability to level without segregation. This paper approaches self-leveling mortars formulated with different types of cement and additions and evaluates these material’s effect on the rheological behavior, physical–mechanical characteristics, and environmental aspects of this type of mortar. The results indicate that rheological aspects can be achieved regardless of the type of cement and addition. With proper proportioning, the normative requirements in terms of mechanical properties are met. When using lower-fineness cement, the risk of cracking and the demand for water and chemicals increases. Mineral additions contributed to the mortars’ cohesion and reduced shrinkage in mixtures with contents of up to 25% metakaolin and 15% silica fume. Regarding the decarbonization process, opting for cement with pozzolanic additions becomes a favorable solution as it presents a reduction in CO 2 emissions of around 170 kg per m 3 of mortar produced.

Keywords: subfloor; mineral additions; shrinkage; decarbonization; mortars (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2024
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