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End-of-Life approach in permeable pavement systems: A forensic study of the particle-related pollutants retained in porous concrete and porous asphalt surface layers

Fin de vie des systèmes de chaussées perméables : une étude médico-légale des polluants liés aux particules retenus dans les couches de surface en béton poreux et en asphalte poreux
Authors: Andrés Valeri, Valerio C.; García Argüelles, Sara; Sañudo Fontaneda, L.A.; Rodríguez Gallego, J.L.; Rodríguez Hernández, Jorge; Sierra Fernández, Carlos;

End-of-Life approach in permeable pavement systems: A forensic study of the particle-related pollutants retained in porous concrete and porous asphalt surface layers

Abstract

Les systèmes de chaussée perméable (PP) sont devenus l'une des techniques de drainage durable les plus utilisées et les plus étudiées, offrant une atténuation du débit de pointe, une réduction du volume et une recharge accrue des eaux souterraines. De plus, les chaussées perméables offrent également de grands avantages en matière de réduction des polluants. Cependant, le devenir des polluants filtrés dans ces systèmes est encore inconnu. Pour cette raison, ce travail expérimental a analysé les sédiments déposés sur deux surfaces perméables couramment utilisées dans les systèmes de chaussée perméable : l'asphalte poreux et le béton poreux, collectés par aspiration dans un parkingexpérimental de la ville de Santander (Espagne) après dix ans d'utilisation continue sans maintenance. Les résultats obtenus indiquent que la quantité de sédiments déposés sur les deux surfaces et dans leur structure poreuse est assez similaire même si leurs tailles de particules sont légèrement différentes. Les polluants liés aux particules se sont également avérés très similaires dans les deux surfaces perméables, et proviennent principalement des activités de circulation, mettant en évidence la présence d'une énorme quantité de métaux lourds et de HAP.

Permeable Pavement systems (PPS) are one of the most used and studied Sustainable Drainage techniques, providing great benefits in pollutant reduction. However, the fate of filtered pollutants in these systems is still not fully considered. For these reasons this experimental work analyzed the sediments deposited over two permeable surfaces commonly used in PPS internationally: Porous Asphalt and Porous Concrete, collected by vacuuming in an experimental parking area in the city of Santander (Spain) after 10 years of continuous use. The obtained results indicate that the amount of sediments deposited over both surfaces and in their superficial pores is quite similar even if their particle sizes are slightly different. Particle-related pollutants have been found to be also very similar in both permeable surfaces, and mainly originated by traffic activities, highlighting the presence of a significant quantity of heavy metals and PAHs.

Country
Spain
Keywords

Ingeniería civil, Sediments, SUDS, BMP, 3305.29 Construcción de Carreteras, Pollution, Nature Based Solutions

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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