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Article

Selection of Additives and Fibers for Improving the Mechanical and Safety Properties of Porous Concrete Pavements through Multi-Criteria Decision-Making Analysis

1
GITECO Research Group, Universidad de Cantabria, 39005 Santander, Spain
2
Institute of Civil Works, Faculty of Engineering Sciences, Universidad Austral de Chile (UACh), Campus Miraflores, 2060 Valdivia, Chile
3
DICAM Department, University of Bologna, 40136 Bologna, Italy
*
Author to whom correspondence should be addressed.
Sustainability 2020, 12(6), 2392; https://0-doi-org.brum.beds.ac.uk/10.3390/su12062392
Received: 6 February 2020 / Revised: 4 March 2020 / Accepted: 12 March 2020 / Published: 19 March 2020
(This article belongs to the Special Issue Sustainable Urban Surfaces)
Despite the number of environmental advantages that porous concrete (PC) pavements can provide, they are mainly used in light-traffic roads, parking lots and sidewalks due to their low mechanical strength. This research focuses on the common additives employed in PC pavements, according to a literature review, with the aim of increasing their mechanical strength while maintaining an acceptable infiltration capacity. The results demonstrated that the combination of superplasticizers and air-entraining additives can provide indirect tensile strength values over 2.50 MPa, with an infiltration capacity over 0.40 cm/s. In addition, polypropylene fibers were seen to provide very good safety properties, preserving some structural integrity in the case of failure. All mixtures studied obtained outstanding skid resistance results under both dry and wet conditions. View Full-Text
Keywords: porous concrete pavements; multi-criteria analysis; additives; mechanical properties; safety properties; permeability porous concrete pavements; multi-criteria analysis; additives; mechanical properties; safety properties; permeability
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MDPI and ACS Style

Elizondo-Martínez, E.-J.; Andrés-Valeri, V.-C.; Rodríguez-Hernández, J.; Sangiorgi, C. Selection of Additives and Fibers for Improving the Mechanical and Safety Properties of Porous Concrete Pavements through Multi-Criteria Decision-Making Analysis. Sustainability 2020, 12, 2392. https://0-doi-org.brum.beds.ac.uk/10.3390/su12062392

AMA Style

Elizondo-Martínez E-J, Andrés-Valeri V-C, Rodríguez-Hernández J, Sangiorgi C. Selection of Additives and Fibers for Improving the Mechanical and Safety Properties of Porous Concrete Pavements through Multi-Criteria Decision-Making Analysis. Sustainability. 2020; 12(6):2392. https://0-doi-org.brum.beds.ac.uk/10.3390/su12062392

Chicago/Turabian Style

Elizondo-Martínez, Eduardo-Javier, Valerio-Carlos Andrés-Valeri, Jorge Rodríguez-Hernández, and Cesare Sangiorgi. 2020. "Selection of Additives and Fibers for Improving the Mechanical and Safety Properties of Porous Concrete Pavements through Multi-Criteria Decision-Making Analysis" Sustainability 12, no. 6: 2392. https://0-doi-org.brum.beds.ac.uk/10.3390/su12062392

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