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Abstract
This paper describes the monitoring of a bridge with tram rail infrastructure using a Robotic total station, a Terrestrial Laser Scanner (TLS) and an Inertial Navigation System (INS). The presented methodology is elaborated using a case study performed in the city of Ghent, Belgium. Several modalities of dense and heavy traffic cross the historical bridge with a high frequency. In particular, when trams cross the bridge, the tram rails locally move in a vertical way which is visual to the naked eye. This raises concerns that the bridge in itself is also moving and may become unstable, making the infrastructure very vulnerable. If this would be the case, an urgent renovation of the bridge needs to be planned. To investigate whether these costly and imminent renovation works will be necessary, a thorough measuring campaign was set up. Together with the surveying team of the city of Ghent, Ghent University used a total station and a terrestrial laser scanner to monitor the bridge as a whole and the tram rails in particular. An additional experiment with an Inertial Navigation System (INS) was also implemented to monitor vibrations of the construction. A measurement strategy was set up to compare the movement of the rails and the top and bottom of the bridge in rest, as well as during crossing of a tram. The workflow of the data capture and the data processing is described in this paper. Combining all measurements, it is confirmed that the bridge is secure and it can be concluded that only the tram rails have become unstable.
Keywords
Robotic Total Station, laser scanning, INS, deformation, tram

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Citation

Please use this url to cite or link to this publication:

Chicago
Vandenbulcke, Annelies, Cornelis Stal, Michiel Decock, Greet Deruyter, and Alain De Wulf. 2016. “Deformation Monitoring of a Bridge with Tram Rail Infrastructure.” In International Multidisciplinary Scientific GeoConference-SGEM, 863–870. Sofia, Bulgaria: Stef92 Technology.
APA
Vandenbulcke, A., Stal, C., Decock, M., Deruyter, G., & De Wulf, A. (2016). Deformation monitoring of a bridge with tram rail infrastructure. International Multidisciplinary Scientific GeoConference-SGEM (pp. 863–870). Presented at the 16th International multidisciplinary scientific Geoconference (SGEM 2016), Sofia, Bulgaria: Stef92 Technology.
Vancouver
1.
Vandenbulcke A, Stal C, Decock M, Deruyter G, De Wulf A. Deformation monitoring of a bridge with tram rail infrastructure. International Multidisciplinary Scientific GeoConference-SGEM. Sofia, Bulgaria: Stef92 Technology; 2016. p. 863–70.
MLA
Vandenbulcke, Annelies, Cornelis Stal, Michiel Decock, et al. “Deformation Monitoring of a Bridge with Tram Rail Infrastructure.” International Multidisciplinary Scientific GeoConference-SGEM. Sofia, Bulgaria: Stef92 Technology, 2016. 863–870. Print.
@inproceedings{8522050,
  abstract     = {This paper describes the monitoring of a bridge with tram rail infrastructure using a Robotic total station, a Terrestrial Laser Scanner (TLS) and an Inertial Navigation System (INS). The presented methodology is elaborated using a case study performed in the city of Ghent, Belgium. Several modalities of dense and heavy traffic cross the historical bridge with a high frequency. In particular, when trams cross the bridge, the tram rails locally move in a vertical way which is visual to the naked eye. This raises concerns that the bridge in itself is also moving and may become unstable, making the infrastructure very vulnerable. If this would be the case, an urgent renovation of the bridge needs to be planned. To investigate whether these costly and imminent renovation works will be necessary, a thorough measuring campaign was set up. Together with the surveying team of the city of Ghent, Ghent University used a total station and a terrestrial laser scanner to monitor the bridge as a whole and the tram rails in particular. An additional experiment with an Inertial Navigation System (INS) was also implemented to monitor vibrations of the construction. A measurement strategy was set up to compare the movement of the rails and the top and bottom of the bridge in rest, as well as during crossing of a tram. The workflow of the data capture and the data processing is described in this paper. Combining all measurements, it is confirmed that the bridge is secure and it can be concluded that only the tram rails have become unstable.},
  author       = {Vandenbulcke, Annelies and Stal, Cornelis and Decock, Michiel and Deruyter, Greet and De Wulf, Alain},
  booktitle    = {International Multidisciplinary Scientific GeoConference-SGEM},
  isbn         = {9786197105599},
  issn         = {1314-2704},
  language     = {eng},
  location     = {Albena, Bulgaria},
  pages        = {863--870},
  publisher    = {Stef92 Technology},
  title        = {Deformation monitoring of a bridge with tram rail infrastructure},
  year         = {2016},
}

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