Technical and cost impact of differences in functional classification of road pavements
DOI:
https://doi.org/10.5020/23180730.2023.14262Abstract
The evaluation of road pavement surfaces, performed by means of visual analysis of defects, is a fundamental tool in the preparation of maintenance and rehabilitation projects. However, in some cases, the classification may present significant differences depending on the segment and the method used. In this sense, the objective of this paper was to evaluate the differences in the classification of the surface condition of a flexible road pavement by means of the Continuous Visual Survey (LVC) and the Global Severity Index (IGG). For the study, a 2 km stretch of a federal highway in the state of Ceará was chosen for which the aforementioned methods were applied. The results showed that only one of the segments presented optimal classification in the LVC. In addition, it was found that about 50% of the segments are in bad and very bad condition, with disparity in the classification between the methods in the initial sections. It was observed that the LVC tends to present better results than the IGG due, among other things, to the subjectivity of the human factor.
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