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Sensors 2012, 12(7), 9110-9128;

Laser Scanning on Road Pavements: A New Approach for Characterizing Surface Texture

DICAM, Department of Civil, Environmental and Materials Engineering, University of Bologna, Viale del Risorgimento 2, 40136 Bologna, Italy
Author to whom correspondence should be addressed.
Received: 2 May 2012 / Revised: 6 June 2012 / Accepted: 26 June 2012 / Published: 3 July 2012
(This article belongs to the Section Remote Sensors)
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The surface layer of road pavement has a particular importance in relation to the satisfaction of the primary demands of locomotion, such as security and eco-compatibility. Among those pavement surface characteristics, the “texture” appears to be one of the most interesting with regard to the attainment of skid resistance. Specifications and regulations, providing a wide range of functional indicators, act as guidelines to satisfy the performance requirements. This paper describes an experiment on the use of laser scanner techniques on various types of asphalt for texture characterization. The use of high precision laser scanners, such as the triangulation types, is proposed to expand the analysis of road pavement from the commonly and currently used two-dimensional method to a three-dimensional one, with the aim of extending the range of the most important parameters for these kinds of applications. Laser scanners can be used in an innovative way to obtain information on areal surface layer through a single measurement, with data homogeneity and representativeness. The described experience highlights how the laser scanner is used for both laboratory experiments and tests in situ, with a particular attention paid to factors that could potentially affect the survey. View Full-Text
Keywords: road pavements; texture; asphalt concrete; laser scanner; 3D road pavements; texture; asphalt concrete; laser scanner; 3D

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This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Bitelli, G.; Simone, A.; Girardi, F.; Lantieri, C. Laser Scanning on Road Pavements: A New Approach for Characterizing Surface Texture. Sensors 2012, 12, 9110-9128.

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