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

Valerio C. Andrés-Valeri, Mariana Marchioni, Luis Angel Sañudo-Fontaneda, Filippo Giustozzi and Gianfranco Becciu
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Valerio C. Andrés-Valeri: GITECO Research Group, Civil Enigneering School, Universidad de Cantabria, Santander 39005, Spain
Mariana Marchioni: Water Science and Technology Area, Department of Civil and Environmental Engineering, Politecnico di Milano, Milano 20133, Italy
Luis Angel Sañudo-Fontaneda: Centre for Agroecology, Water and Resilience (CAWR), Coventry University, Ryton Organic Gardens Wolston Lane, Coventry CV8 3LG, UK
Filippo Giustozzi: Transport Infrastructures Section, Department of Civil and Environmental Engineering, Politecnico di Milano, Milano 20133, Italy
Gianfranco Becciu: Water Science and Technology Area, Department of Civil and Environmental Engineering, Politecnico di Milano, Milano 20133, Italy

Sustainability, 2016, vol. 8, issue 8, 1-11

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/m 2 ). 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.

Keywords: SuDS; BMP; Permeable Pavement Systems; porous mixtures; Porous Asphalt; Porous Concrete; porous friction course (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2016
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (10)

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