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Thermal performance of concrete with recycled concrete powder as partial cement replacement and recycled CDW aggregate
dc.contributor.author | Cantero, B. | |
dc.contributor.author | Bravo, Miguel | |
dc.contributor.author | de Brito, J | |
dc.contributor.author | Sáez del Bosque, Isabel F. | |
dc.contributor.author | Medina Martínez, César | |
dc.date.accessioned | 2024-07-11T17:07:11Z | |
dc.date.available | 2024-07-11T17:07:11Z | |
dc.date.issued | 2020 | |
dc.identifier.citation | Cantero, B., Bravo, M., de Brito, J., Sáez del Bosque, I. F., Medina, C. (2020). Thermal performance of concrete with recycled concrete powder as partial cement replacement and recycled CDW aggregate. Applied Sciences (Switzerland), 10(13). https://doi.org/10.3390/APP10134540 | es_ES |
dc.identifier.uri | http://hdl.handle.net/2183/37949 | |
dc.description.abstract | [Abstract:] This novel study was triggered by a lack in the international literature of the simultaneous use of ground recycled concrete (GRC) as a cement replacement and mixed recycled aggregate as part of the granular skeleton in recycled concrete. It explores the thermal behaviour of concrete mixes bearing 10 wt% or 25 wt% GRC as a cement replacement and 25 wt% or 50 wt% mixed recycled aggregate (MRA) sourced from construction and demolition waste (CDW). The experimental programme conducted assessed concrete’s dry density, open porosity, electrical and thermal conductivity and specific heat capacity. The findings showed that the use of 10% and 25% GRC, in conjunction with 50% MRA, reduced thermal conductivity by 7.9% to 11.8% and raised specific heat capacity by 6.0% to 9.1% relative to concrete with 100% natural aggregate (NA). A cross-property analysis revealed that improved thermal performance was linearly related to lower density and higher porosity. The results also support the conclusion that these new recycled aggregate concrete mixes are more energy-efficient construction materials than conventional concrete. | es_ES |
dc.description.sponsorship | This research was funded by Spanish Ministry of Science, Innovation and Universities mobility grant ETS18/00313, awarded in connection with pre-doctoral university professor scholarship 16/02693, under which Blas Cantero conducted research at the Lisbon University Instituto Superior Técnico construction laboratory. European Regional Development Fund (ERDF) funding was also received for an Interreg-POCTEP research grant (0008_ECO2CIR_4_E, ‘Project for cross-border cooperation to introduce the eco- and circular economy by reducing waste generation and enhancing waste recycling, management and valorisation in Central Spain, Extremadura and Alentejo) and, in conjunction with the Government of Extremadura, under grant GR 18,122 awarded to the MATERIA research group. | es_ES |
dc.description.sponsorship | Interreg-POCTEP; 0008_ECO2CIR_4_E | es_ES |
dc.description.sponsorship | Junta de Extremadura; GR 18122 | es_ES |
dc.language.iso | eng | es_ES |
dc.publisher | MDPI | es_ES |
dc.relation | info:eu-repo/grantAgreement/MICIU//ETS18%2F00313 | es_ES |
dc.relation | info:eu-repo/grantAgreement/MECD//FPU16%2F02693 | es_ES |
dc.relation.uri | https://doi.org/10.3390/APP10134540 | es_ES |
dc.rights | Atribución 3.0 España | es_ES |
dc.rights.uri | http://creativecommons.org/licenses/by/3.0/es/ | * |
dc.subject | Recycled aggregate | es_ES |
dc.subject | Ground recycled concrete | es_ES |
dc.subject | Recycled materials concrete | es_ES |
dc.subject | Construction and demolition waste | es_ES |
dc.subject | Thermal properties | es_ES |
dc.title | Thermal performance of concrete with recycled concrete powder as partial cement replacement and recycled CDW aggregate | es_ES |
dc.type | info:eu-repo/semantics/article | es_ES |
dc.rights.access | info:eu-repo/semantics/openAccess | es_ES |
UDC.journalTitle | Applied Sciences | es_ES |
UDC.volume | 10 | es_ES |
UDC.issue | 13 | es_ES |
UDC.startPage | 4540 | es_ES |
dc.identifier.doi | https://doi.org/10.3390/APP10134540 |