Functionalization of Smart Recycled Asphalt Mixtures: A Sustainability Scientific and Pedagogical Approach

Autor: Iran Rocha Segundo, Behzad Zahabizadeh, Salmon Landi, Orlando Lima, Cátia Afonso, Jaffer Borinelli, Elisabete Freitas, Vítor M. C. F. Cunha, Vasco Teixeira, Manuel F. M. Costa, Joaquim O. Carneiro
Přispěvatelé: Universidade do Minho
Jazyk: angličtina
Rok vydání: 2022
Předmět:
Ciências Naturais::Ciências Físicas
Geography
Planning and Development
Ciências Físicas [Ciências Naturais]
0211 other engineering and technologies
TJ807-830
02 engineering and technology
010501 environmental sciences
Management
Monitoring
Policy and Law
smart coatings
TD194-195
7. Clean energy
01 natural sciences
Renewable energy sources
12. Responsible consumption
epoxy resin
smart asphalt mixtures
photocatalytic asphalt mixtures
11. Sustainability
021105 building & construction
superhydrophobic asphalt mixtures
GE1-350
Photocatalysis
Biology
functionalization process
0105 earth and related environmental sciences
Science & Technology
Environmental effects of industries and plants
Renewable Energy
Sustainability and the Environment
Smart materials
Recycled asphalt mixtures
6. Clean water
Educação de qualidade
Environmental sciences
Chemistry
sustainable road pavements
Sustainability
13. Climate action
Engineering sciences. Technology
Zdroj: Sustainability, Vol 14, Iss 573, p 573 (2022)
Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
Sustainability
Sustainability; Volume 14; Issue 1; Pages: 573
ISSN: 2071-1050
Popis: The sustainable development of our societies demands strong efforts on scientific and technological research while informing and educating students and the general population. Air pollution and road safety hazards constitute two main public health problems that are insufficiently addressed pedagogically. With this work, we aim to contribute to tackeling the problem by presenting the results of scientific research on the development of photocatalytic, superhydrophobic, and self-cleaning recycled asphalt mixtures to achieve an eco-social friendly and smart material able to mitigate socioenvironmental impacts. The functionalization of asphalt is implemented by spraying particles’ solutions over a conventional AC 10, then evaluated by dye degradation and wettability. Firstly, different particles’ solutions (with nano-TiO2 and/or micro-PTFE under water, ethyl alcohol, and dimethyl ketone) were sprayed to select the best solution (BS), which was composed of TiO2-PTFE (4 g/L each) in ethyl alcohol. Two successive spraying coatings (diluted epoxy resin and BS) were performed over conventional and recycled AC 10 (with reclaimed asphalt pavement and steel slags). Their efficiency decreases with the highest resin amounts. The best results were obtained with 0.25 g resin and BS. For the lowest resin amount, all mixtures achieved superhydrophobicity and performed similarly regarding wettability.
This research was funded by the Portuguese Foundation for Science and Technology (FCT), PhD scholarships SFRH/BD/137421/2018 and SFRH/BD/143636/2019, NanoAir PTDC/FIS-MAC/6606/2020, UIDB/04650/2020, and UIDB/04029/2020.
Databáze: OpenAIRE
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