A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Accuracy of Ground‐penetrating Radar in Pavement Thickness Evaluation: Impact of Interpretation Errors
Non‐destructive methods are increasingly used by highway agencies to evaluate the pavement condition. Among them, the ground penetrating radar (GPR) technology is particularly suited to subsurface exploration, as it is time‐efficient and cost‐effective in mapping the road profile. The reliability of the method is related to the characterization of the dielectric constant of the material, which can be determined from core samples or GPR data. This chapter describes a project in which an asphalt pavement was scanned and then analyzed both manually and using a semi‐automatic software layer tracking tool. Despite the large amounts of GPR data that are usually collected during road surveys, it is often necessary to interpret the data manually. It is shown in this study that an incorrect layer tracking results in an asphalt thickness error of 19.9% instead of 3.6% when using manual interpretation.
Accuracy of Ground‐penetrating Radar in Pavement Thickness Evaluation: Impact of Interpretation Errors
Non‐destructive methods are increasingly used by highway agencies to evaluate the pavement condition. Among them, the ground penetrating radar (GPR) technology is particularly suited to subsurface exploration, as it is time‐efficient and cost‐effective in mapping the road profile. The reliability of the method is related to the characterization of the dielectric constant of the material, which can be determined from core samples or GPR data. This chapter describes a project in which an asphalt pavement was scanned and then analyzed both manually and using a semi‐automatic software layer tracking tool. Despite the large amounts of GPR data that are usually collected during road surveys, it is often necessary to interpret the data manually. It is shown in this study that an incorrect layer tracking results in an asphalt thickness error of 19.9% instead of 3.6% when using manual interpretation.
Accuracy of Ground‐penetrating Radar in Pavement Thickness Evaluation: Impact of Interpretation Errors
Torrenti, Jean‐Michel (editor) / La Torre, Francesca (editor)
Materials and Infrastructures 1 ; 227-237
2016-06-30
11 pages
Article/Chapter (Book)
Electronic Resource
English
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