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Sustainability 2016, 8(8), 751; doi:10.3390/su8080751

Laboratory Assessment of the Infiltration Capacity Reduction in Clogged Porous Mixture Surfaces

1
GITECO Research Group, Civil Enigneering School, Universidad de Cantabria, Santander 39005, Spain
2
Water Science and Technology Area, Department of Civil and Environmental Engineering, Politecnico di Milano, Milano 20133, Italy
3
Centre for Agroecology, Water and Resilience (CAWR), Coventry University, Ryton Organic Gardens Wolston Lane, Coventry CV8 3LG, UK
4
Transport Infrastructures Section, Department of Civil and Environmental Engineering, Politecnico di Milano, Milano 20133, Italy
*
Author to whom correspondence should be addressed.
Academic Editor: Tan Yigitcanlar
Received: 4 July 2016 / Revised: 26 July 2016 / Accepted: 1 August 2016 / Published: 4 August 2016
(This article belongs to the Special Issue Agroecology and Water Management)
View Full-Text   |   Download PDF [2217 KB, uploaded 4 August 2016]   |  

Abstract

Permeable pavements have been used widely across the world to manage urban stormwater. The hydrological behaviour of permeable surfaces is a complex process affected by many factors, such as rainfall intensity, rainfall duration, pavement geometrical conditions, and clogging level of the permeable surface, amongst others. This laboratory study was carried out to assess the influence of clogging level and rainfall intensity on the infiltration capacity of porous mixture surfaces used in Permeable Pavement Systems (PPS). Porous Concrete (PC) and Porous Asphalt (PA) mixtures with different air void contents (15%, 20%, and 25%) were subject to different clogging scenarios by using varying sediment loads (0, 500, and 1000 g/m2). Permeability experiments were carried out for each clogging scenario through a new rainfall simulator specially developed, tailored, and calibrated for the laboratory simulation of a wide range of rainfall events. Permeability measurements were taken under all different scenarios as a result of the combination of the different rainfall events (50, 100, and 150 mm/h) simulated over the specimens of porous mixtures and the sediment loads applied to them. The results showed that the PC mixtures tested perform better than the PA ones in terms of infiltration capacity, showing less potential for clogging and being more easily cleaned by the wash-off produced by the simulated rainfall events. View Full-Text
Keywords: SuDS; BMP; Permeable Pavement Systems; porous mixtures; Porous Asphalt; Porous Concrete; porous friction course SuDS; BMP; Permeable Pavement Systems; porous mixtures; Porous Asphalt; Porous Concrete; porous friction course
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Andrés-Valeri, V.C.; Marchioni, M.; Sañudo-Fontaneda, L.A.; Giustozzi, F.; Becciu, G. Laboratory Assessment of the Infiltration Capacity Reduction in Clogged Porous Mixture Surfaces. Sustainability 2016, 8, 751.

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