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Sustainability
Volume 15
Issue 21
10.3390/su152115205
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Article

Determination of the Social Contribution of Sustainable Asphalt Mixes

by
Leonardo Sierra-Varela
1,*,
Gonzalo Valdes-Vidal
1,
Alejandra Calabi-Floody
1,
Leonardo Lleuful-Cruz
1,
Noe Villegas-Flores
2 and
Álvaro Filun-Santana
3
1
Department of Civil Engineering, Faculty of Engineering and Science, Universidad de La Frontera, Temuco 4780000, Chile
2
Instituto Latinoamericano de Tecnología, Infraestructura y Territorio, Universidad Federal de Integración Latinoamericana, Parque Tecnológico Itaipu, Foz de Iguazu 85867970, Brazil
3
Magister en Ciencias de la Ingeniería, Universidad de La Frontera, Temuco 4780000, Chile
*
Author to whom correspondence should be addressed.
Sustainability 2023, 15(21), 15205; https://doi.org/10.3390/su152115205
Submission received: 17 August 2023 / Revised: 20 September 2023 / Accepted: 22 September 2023 / Published: 24 October 2023
(This article belongs to the Special Issue Advances in Sustainable Asphalt Materials and Pavements)
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Abstract

The social contribution that infrastructure components contribute to a territory tends to be underestimated. Indeed, few studies referring to asphalt pavements take social impact into account in their evaluation. This study proposes and evaluates a method to estimate the social contribution of innovative asphalt mixes used in a test section in Chile. For this, a multi-criteria structure, the Delphi method, was used to validate the evaluation structure, and the Bayesian theory and a Noise-OR model to evaluate the social contribution of asphalt mixes. Thus, for the life cycle of extraction, production, and construction, a set of indicators and social criteria determine a cause-effect decision-making model. Six types of asphalt mixes were evaluated: hot mix asphalt (HMA), warm mix asphalt (WMA) with natural zeolite from Chile, WMA with exported chemical additive, and their variants with and without recycled asphalt pavement (RAP). The results demonstrate that the WMAs with RAP achieve a more significant social contribution, emphasizing its contribution to the landscape, development and innovation, socioeconomic development, and health.
Keywords: social sustainability; sustainable pavements; asphalt mixes; Bayesian networks social sustainability; sustainable pavements; asphalt mixes; Bayesian networks

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MDPI and ACS Style

Sierra-Varela, L.; Valdes-Vidal, G.; Calabi-Floody, A.; Lleuful-Cruz, L.; Villegas-Flores, N.; Filun-Santana, Á. Determination of the Social Contribution of Sustainable Asphalt Mixes. Sustainability 2023, 15, 15205. https://doi.org/10.3390/su152115205

AMA Style

Sierra-Varela L, Valdes-Vidal G, Calabi-Floody A, Lleuful-Cruz L, Villegas-Flores N, Filun-Santana Á. Determination of the Social Contribution of Sustainable Asphalt Mixes. Sustainability. 2023; 15(21):15205. https://doi.org/10.3390/su152115205

Chicago/Turabian Style

Sierra-Varela, Leonardo, Gonzalo Valdes-Vidal, Alejandra Calabi-Floody, Leonardo Lleuful-Cruz, Noe Villegas-Flores, and Álvaro Filun-Santana. 2023. "Determination of the Social Contribution of Sustainable Asphalt Mixes" Sustainability 15, no. 21: 15205. https://doi.org/10.3390/su152115205

APA Style

Sierra-Varela, L., Valdes-Vidal, G., Calabi-Floody, A., Lleuful-Cruz, L., Villegas-Flores, N., & Filun-Santana, Á. (2023). Determination of the Social Contribution of Sustainable Asphalt Mixes. Sustainability, 15(21), 15205. https://doi.org/10.3390/su152115205

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