Research trends on thermochromic asphalt mixtures functionalization: Bibliometric analysis and review
Asphalt mixtures absorb high levels of solar light, increasing their internal temperatures and negatively affecting their behavior. In urban areas, this leads to the urban heat island (UHI) phenomenon, where extensive asphalt coverage raises microclimate temperatures. Integrating thermochromic prope...
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| Format: | Article |
| Language: | English |
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Elsevier
2024-12-01
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| Series: | Cleaner Materials |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2772397624000571 |
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| author | Larissa Virgínia da Silva Ribas Iran Gomes Rocha Segundo Joaquim Carneiro Elisabete Fraga de Freitas Verônica Teixeira Franco Castelo Branco |
| author_facet | Larissa Virgínia da Silva Ribas Iran Gomes Rocha Segundo Joaquim Carneiro Elisabete Fraga de Freitas Verônica Teixeira Franco Castelo Branco |
| author_sort | Larissa Virgínia da Silva Ribas |
| collection | DOAJ |
| description | Asphalt mixtures absorb high levels of solar light, increasing their internal temperatures and negatively affecting their behavior. In urban areas, this leads to the urban heat island (UHI) phenomenon, where extensive asphalt coverage raises microclimate temperatures. Integrating thermochromic properties into asphalt could provide a sustainable solution to mitigate UHI while maintaining the necessary mechanical performance. This research reviews the literature, scientific advances, gaps, and future perspectives on thermochromic (TCM) asphalt mixtures through bibliometric analysis and systematic review. The analysis highlights that thermochromic asphalt has recently gained significant scientific interest, with an increasing number of publications from 2013 to 2023. Notably, Hunan University in China has emerged as a leading contributor to thermochromic-related publications. The findings identify the wet method as a prevalent form of thermochromic functionalization, with 4–6% TCM content considered most suitable for thermal performance. Adding TiO2 improves optical characteristics due to its high reflectance in the Near-infrared solar spectrum. Studies using TCM binders typically show asphalt mixtures with better resistance to rutting and cracking, likely due to enhanced thermoregulation. The key knowledge gaps identified include the lack of consistent procedures across studies, the feasibility of scaling lab-based methods to field applications, and the need for experiments to assess their impact on road safety, surface characteristics, and the durability of thermochromic properties over the pavement’s service life. This review highlights the promise of TCM for urban heat management and emphasizes the importance of additional research to achieve the ideal balance between thermal and mechanical properties. |
| format | Article |
| id | doaj-art-6a056b73f89e4784ab1e3dbcddd08336 |
| institution | DOAJ |
| issn | 2772-3976 |
| language | English |
| publishDate | 2024-12-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Cleaner Materials |
| spelling | doaj-art-6a056b73f89e4784ab1e3dbcddd083362025-08-20T02:52:30ZengElsevierCleaner Materials2772-39762024-12-011410027310.1016/j.clema.2024.100273Research trends on thermochromic asphalt mixtures functionalization: Bibliometric analysis and reviewLarissa Virgínia da Silva Ribas0Iran Gomes Rocha Segundo1Joaquim Carneiro2Elisabete Fraga de Freitas3Verônica Teixeira Franco Castelo Branco4Federal University of Ceara (UFC), Department of Transportation Engineering, Campus of Pici, Building 703, Zip Code: 60440-900, Fortaleza, CE, Brazil; Corresponding author.Physics Center of Minho and Porto Universities (CF-UM-UP), University of Minho, Azurém Campus, Guimarães, PortugalPhysics Center of Minho and Porto Universities (CF-UM-UP), University of Minho, Azurém Campus, Guimarães, PortugalCivil Engineering Department, University of Minho, Azurém Campus, Guimarães, Portugal,Federal University of Ceara (UFC), Department of Transportation Engineering, Campus of Pici, Building 703, Zip Code: 60440-900, Fortaleza, CE, BrazilAsphalt mixtures absorb high levels of solar light, increasing their internal temperatures and negatively affecting their behavior. In urban areas, this leads to the urban heat island (UHI) phenomenon, where extensive asphalt coverage raises microclimate temperatures. Integrating thermochromic properties into asphalt could provide a sustainable solution to mitigate UHI while maintaining the necessary mechanical performance. This research reviews the literature, scientific advances, gaps, and future perspectives on thermochromic (TCM) asphalt mixtures through bibliometric analysis and systematic review. The analysis highlights that thermochromic asphalt has recently gained significant scientific interest, with an increasing number of publications from 2013 to 2023. Notably, Hunan University in China has emerged as a leading contributor to thermochromic-related publications. The findings identify the wet method as a prevalent form of thermochromic functionalization, with 4–6% TCM content considered most suitable for thermal performance. Adding TiO2 improves optical characteristics due to its high reflectance in the Near-infrared solar spectrum. Studies using TCM binders typically show asphalt mixtures with better resistance to rutting and cracking, likely due to enhanced thermoregulation. The key knowledge gaps identified include the lack of consistent procedures across studies, the feasibility of scaling lab-based methods to field applications, and the need for experiments to assess their impact on road safety, surface characteristics, and the durability of thermochromic properties over the pavement’s service life. This review highlights the promise of TCM for urban heat management and emphasizes the importance of additional research to achieve the ideal balance between thermal and mechanical properties.http://www.sciencedirect.com/science/article/pii/S2772397624000571Cool pavementsThermochromic asphalt mixturesThermal propertiesSmart asphalt mixturesSmart materialsUrban heat island |
| spellingShingle | Larissa Virgínia da Silva Ribas Iran Gomes Rocha Segundo Joaquim Carneiro Elisabete Fraga de Freitas Verônica Teixeira Franco Castelo Branco Research trends on thermochromic asphalt mixtures functionalization: Bibliometric analysis and review Cleaner Materials Cool pavements Thermochromic asphalt mixtures Thermal properties Smart asphalt mixtures Smart materials Urban heat island |
| title | Research trends on thermochromic asphalt mixtures functionalization: Bibliometric analysis and review |
| title_full | Research trends on thermochromic asphalt mixtures functionalization: Bibliometric analysis and review |
| title_fullStr | Research trends on thermochromic asphalt mixtures functionalization: Bibliometric analysis and review |
| title_full_unstemmed | Research trends on thermochromic asphalt mixtures functionalization: Bibliometric analysis and review |
| title_short | Research trends on thermochromic asphalt mixtures functionalization: Bibliometric analysis and review |
| title_sort | research trends on thermochromic asphalt mixtures functionalization bibliometric analysis and review |
| topic | Cool pavements Thermochromic asphalt mixtures Thermal properties Smart asphalt mixtures Smart materials Urban heat island |
| url | http://www.sciencedirect.com/science/article/pii/S2772397624000571 |
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