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Joint project: Long-term monitoring and detection of critical conditions of traffic routes based on analysis of geodata – LEVANGO


Funded by: Federal Ministry of Economic Affairs and Energy

Grand number: 50RP1985A


Project Management: German Aerospace Center
Internet: www.dlr-innospace.de/gefoerderte-projekte/levango/




Contact persons TU Berlin: Prof. Yuri Petryna and M.Sc. Richard Lorenz

Project duration: 09.2019 – 08.2021

Funding amount TU Berlin: 169 218,21 €

Project partner

TU Berlin


Department of Civil Engineering
Chair of Structural Mechanics

Project director:
Prof. Yuri Petryna

Research assistant:
M.Sc. Richard Lorenz

Student assistant:
B.Sc. Clemens Herrmann

Contact information:
Technische Universität Berlin
Sekr. TIB1-B5
Gustav-Meyer-Allee 25
13355 Berlin
Phone: 030 314-72320
Fax: 030 314-72321
Internet: www.statik.tu-berlin.de

Airbus Defence and Space GmbH


Contact person:
Dr. Christin Lubitz

Contact information:
Airbus Defence and Space GmbH
Platz der Einheit 14
14467 Potsdam
Phone: +49 331 200 292 44
Fax: +49 331 200 292 03
E-Mail: christin.lubitz(at)airbus.com
Internet: www.intelligence-airbusds.com/smm

AllTerra Deutschland GmbH


Contact person:
Danny Nickel

Contact information:
AllTerra Deutschland GmbH - Trimble Kompetenzzentrum
An der Feldmark 9
31515 Wunstorf
Phone: +49 5031 5178 0
E-Mail: nickel(at)allterra-dno.de
Internet: www.allterra-dno.de


Operative and especially safe traffic routes are an indispensable component of every modern national economy in this world. They enable economic growth and simultaneously form the basis of everyday life. To ascertain and assess critical conditions of important elements of these transport infrastructures, e.g. highway and railroad bridges, it is necessary to realize a continuous monitoring of these structures. This creates a basis for decisionmaking for potential remedial measures in order to achieve optimal exploitation of economic capacities. Furthermore, calamities, e.g. the collapse of a bridge, can be prevented and such ensure public safety.

In the joint project LEVANGO, amongst the collaboration of experts from various disciplines, a long-term monitoring system is to be developed to identify critical conditions of traffic routes. The subject of consideration within this project is the Wehretalbrücke located in Northern Hesse, Germany. It is a 15-span prestressed concrete highway bridge with a total length of approx. 670m and a relatively large curvature in the groundplan.

Satellite-based deformation measurements of the Wehretalbrücke obtained through the analysis of Sentinel-1- and TerraSAR-X-satellite data serve as a basis. Additionally, on-site measurements at the structure are taken, using conventional deformation measurement methods for structural health monitoring, among others to validate the satellite data. By fusing the measured data with the simulated results of a computer model of the bridge, a monitoring system for critical conditions of this structure is to be realized.

Furthermore, the results obtained on the reference structure are used to design a large-scale, comprehensive monitoring concept in order to monitor a variety of bridges within a regional transportation infrastructure regarding their condition.

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