NDT Documentation and Evaluation of the Roman Bridge of Lugo Using GPR and Mobile and Static LiDAR
Publication: Journal of Performance of Constructed Facilities
Volume 29, Issue 1
Abstract
The 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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Acknowledgments
The authors give thanks to the Spanish Ministry of Economy and Competitiveness, the Spanish Centre for Technological and Industrial Development, and Xunta de Galicia for the financial support given; Human Resources programs (BES-2010-034106 and IPP055—EXP44) and projects (Grants No. BIA2009-08012 and No. IDI-20101770). The support from Manuel Durán and Francisco J. Prego (Misturas, S.A) are also gratefully acknowledged. Additionally, this study is a contribution to the EU funded COST Action TU-1208 “Civil Engineering Applications of Ground Penetrating Radar”.
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Published In
Journal of Performance of Constructed Facilities
Volume 29 • Issue 1 • February 2015
Copyright
© 2014 American Society of Civil Engineers.
History
Received: Jun 14, 2013
Accepted: Oct 29, 2013
Published online: Oct 31, 2013
Discussion open until: Nov 12, 2014
Published in print: Feb 1, 2015
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