Abstract
AbstractThe Roman Bridge of Lugo (Spain) has undergone many restorations throughout the last millennium. It currently supports heavy and constant pressures resulting from traffic loading. Therefore, frequent inspections are required. Within this article, different nondestructive testing (NDT) technologies were combined for the inspection and as-built three-dimensional (3D) documentation of this masonry arch bridge. Both mobile and static light detection and ranging (LiDAR) devices, integrated with digital cameras, were considered to analyze the exterior of the bridge whereas the ground penetrating radar (GPR) equipment was used to characterize its internal stonework. A 3D textured bridge model is given, which is combined with inner details from GPR. Its analysis could certainly benefit masonry arch bridge inspection.
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