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Coatings 2017, 7(5), 65; doi:10.3390/coatings7050065

A Specified Procedure for Distress Identification and Assessment for Urban Road Surfaces Based on PCI

Department of Civil, Constructional and Environmental Engineering, Università degli Studi di Roma “La Sapienza”, DICEA—via Eudossiana, 18, Rome 00184, Italy
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Academic Editors: Andrea Simone and Claudio Lantieri
Received: 28 February 2017 / Revised: 6 April 2017 / Accepted: 19 April 2017 / Published: 30 April 2017
(This article belongs to the Special Issue Low Environmental Impact Coatings for Road Pavements)
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Abstract

In this paper, a simplified procedure for the assessment of pavement structural integrity and the level of service for urban road surfaces is presented. A sample of 109 Asphalt Concrete (AC) urban pavements of an Italian road network was considered to validate the methodology. As part of this research, the most recurrent defects, those never encountered and those not defined with respect to the list collected in the ASTM D6433 have been determined by statistical analysis. The goal of this research is the improvement of the ASTM D6433 Distress Identification Catalogue to be adapted to urban road surfaces. The presented methodology includes the implementation of a Visual Basic for Application (VBA) language-based program for the computerization of Pavement Condition Index (PCI) calculation with interpolation by the parametric cubic spline of all of the density/deduct value curves of ASTM D6433 distress types. Also, two new distress definitions (for manholes and for tree roots) and new density/deduct curve values were proposed to achieve a new distress identification manual for urban road pavements. To validate the presented methodology, for the 109 urban pavements considered, the PCI was calculated using the new distress catalogue and using the ASTM D6433 implemented on PAVERTM. The results of the linear regression between them and their statistical parameters are presented in this paper. The comparison of the results shows that the proposed method is suitable for the identification and assessment of observed distress in urban pavement surfaces at the PCI-based scale. View Full-Text
Keywords: urban road surfaces; pavement management; deduct value curves; pavement condition index; distress identification urban road surfaces; pavement management; deduct value curves; pavement condition index; distress identification
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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

Loprencipe, G.; Pantuso, A. A Specified Procedure for Distress Identification and Assessment for Urban Road Surfaces Based on PCI. Coatings 2017, 7, 65.

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