RT info:eu-repo/semantics/conferenceObject
T1 Recycled Self-Compacting Concrete: Mechanical Behavior and Durability
A1 Revilla Cuesta, Víctor
A1 Skaf Revenga, Marta
A1 Chica Páez, José Antonio
A1 Serrano López, Roberto
A1 Ortega López, Vanesa
K1 Compressive strength
K1 Durability behavior
K1 Flowability
K1 Freeze/thaw test
K1 Mechanical performance
K1 Moist/dry test
K1 Recycled Concrete Aggregate
K1 Self-compacting concrete
K1 Sulfate-attack test
K1 Hormigón-Ensayos
K1 Concrete-Testing
K1 Materiales de construcción
K1 Building materials
K1 Estructuras (Construcción)
K1 Structural engineering
AB Increasing sustainability is currently one of the main objectives of the construction sector. One of the most widespread sustainable practices to reach this goal is the recycling of industrial residues within concrete mixes. What began as a practice to produce low-quality concrete has now spread, for example, to Self-Compacting Concrete (SCC), which has a high flowability in the fresh state. Recycled Concrete Aggregate (RCA) is a waste that can be used to develop SCC of good mechanical performance. RCA produced from the crushing of rejected precast components for the prefabricated concrete industry is assessed in this study. It was demonstrated that the addition of 100 % coarse RCA and 50 % fine RCA contributed to the production of an SCC with adequate flowability and an optimal mechanical and durability behavior. To do so, the design of the mixture, its flowability, its strength behavior at different curing ages and its performance in freeze/thaw, moist/dry and sulfate-attack tests are discussed. The study is complemented by analyzing the interaction of RCA with different natural fine aggregates, such as siliceous or limestone sand. It is concluded that the SCC developed with large amounts of RCA was of sufficient strength and durability for general usage.
PB American Concrete Institute
SN 978-1-7138-6206-2
YR 2022
FD 2022-07
LK http://hdl.handle.net/10259/10284
UL http://hdl.handle.net/10259/10284
LA eng
NO Comunicación escrita presentada en: Fifteenth International Conference on Recent Advances in Concrete Technology and Sustainability Issues (RACTSI) 2022, durante los días 10-15 de julio en Milán (Italia).
NO This research work was supported by the Spanish Ministry of Universities, MICINN, AEI, EU, ERDF and NextGenerationEU [grant numbers PID2020-113837RB-I00; 10.13039/501100011033; TED2021-129715B-I00]; the Junta de Castilla y León (Regional Government) and ERDF [grant number UIC-231]; and the University of Burgos [grant number SUCONS, Y135.GI].
DS Repositorio Institucional de la Universidad de Burgos
RD 21-abr-2025