Environmental benefits of microwave-assisted self-healing technology for pavements - A Life Cycle Assessment comparative study

A.M.  Rodríguez-Alloza; F. Gulisano; D. Garraín

doi:10.3989/mc.2024.367023

Autores/as

A.M. Rodríguez-Alloza Departamento de Ingeniería Civil, Náutica y Marítima, Universidad de La Laguna (ULL) https://orcid.org/0000-0001-7063-9801
F. Gulisano Departamento de Ingeniería Civil: Transporte y Territorio, Universidad Politécnica de Madrid (UPM) https://orcid.org/0000-0002-1595-5665
D. Garraín Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT https://orcid.org/0000-0003-3219-0139

DOI:

https://doi.org/10.3989/mc.2024.367023

Palabras clave:

Análisis de ciclo de vida, Rehabilitación de pavimentos, Autorreparación de mezclas asfálticas mediante calentamiento por microondas, Escorias siderúrgicas

Resumen

La rehabilitación de carreteras supone un desafío clave para promover el progreso socioeconómico, mejorar la seguridad vial y preservar el medio ambiente. La tecnología de autorreparación de mezclas asfálticas mediante calentamiento por microondas extiende la vida útil de los pavimentos, reduciendo el consumo de combustibles fósiles y ahorrando el uso de recursos naturales durante su vida útil al aprovechar las propiedades termoplásticas y dieléctricas del asfalto para cerrar grietas en pavimentos dañados sin destruir la estructura original. En este estudio se llevado a cabo un Análisis de Ciclo de Vida para determinar los beneficios ambientales del uso de esta tecnología cuantificando sus impactos potenciales y se han comparado diferentes escenarios en los que varía la energía microondas y la adición de escorias. Los resultados muestran que esta tecnología podría disminuir una cantidad considerable de emisiones durante el ciclo de vida en comparación con una carretera convencional.

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