Niveles de óxidos de nitrógeno en construcción de túneles con el NATM durante el periodo de transición de la Directiva 2017/164/EU

Héctor  García González; Johnatan  González García; Sergio  González-Cachón Fernández; Sergio  Pellicer Mateos

doi:10.3989/ic.82778

Autores/as

Héctor García González MSc Engineer. Researcher. Instituto Nacional de Silicosis https://orcid.org/0000-0002-7285-2347
Johnatan González García MSc Engineer. Technical Director. Perforaciones Noroeste https://orcid.org/0000-0003-1091-6058
Sergio González-Cachón Fernández PhD Engineer. Researcher. Universidad de Oviedo https://orcid.org/0000-0002-2185-8562
Sergio Pellicer Mateos MSc Engineer. Rail Operations Lead https://orcid.org/0000-0002-7090-7623

DOI:

https://doi.org/10.3989/ic.82778

Palabras clave:

gases, NATM, NO, NO2

Resumen

La Directiva 2017/164/UE reducirá drásticamente los niveles de NO y NO₂ en minería subterránea y construcción de túneles, existe preocupación con respecto a la viabilidad de los niveles propuestos y se estableció un período de transición que finaliza en agosto de 2023, está prevista una reevaluación de su aplicabilidad antes del final de este período. El estudio se realizó en un túnel de autopista de 2 km, sección de excavación de 102 m², método de excavación NATM, el túnel seleccionado es representativo del sistema de construcción de túneles en España. Este documento tiene como objetivo analizar los niveles de gas NO y NO₂ durante la construcción del túnel y comparar los resultados con el nivel propuesto en la Directiva 2017/164/UE y los niveles vigentes. El informe concluye que se deben hacer esfuerzos para alcanzar los niveles de la Directiva en 2023. Se dan recomendaciones para alcanzar el nivel propuesto.

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