Verdachtsfall Spannungsrisskorrosion – Zustandsanalyse der Elbebrücke Bad Schandau Teil 2: Planung, Durchführung und Auswertung des Belastungsversuchs

Research output: Contribution to journal › Research article › Contributed › peer-review

Contributors

  • Oliver Mosig - , Marx Krontal Partner GmbH (Author)
  • Christina Fritsch - , Marx Krontal Partner GmbH (Author)
  • Steffen Müller - , State Office for Road Construction and Transport (LASuV) (Author)
  • Andreas Gruner - , State Office for Road Construction and Transport (LASuV) (Author)
  • Gregor Schacht - , Marx Krontal Partner GmbH (Author)
  • Steffen Marx - , Chair of Concrete Structures (Author)

Abstract

Potential stress corrosion cracking – Condition assessment of the Elbe Bridge Bad Schandau Part 2: Planning, execution and evaluation of the load test. After the collapse of the Carola Bridge in Dresden in September 2024, similar bridges were subjected to special inspections. As a result, the Elbe Bridge in Bad Schandau, built in 1977, was closed due to the detection of cracks and the use of prestressed steel that was susceptible to stress corrosion cracking. Extensive diagnostic and structural analyses were carried out on the bridge. In addition, comprehensive monitoring measures were installed to observe the behavior of the bridge and possible deterioration processes, including acoustic emission monitoring (SEM), distributed fiber optic sensors (DFOS) and deformation monitoring. A load test was carried out to evaluate the resistance of the bridge and to determine the remaining prestressing force. Defined loads were applied using a self-propelled modular transporter (SPMT) and ballast weights. The structural reactions were recorded and evaluated against the values from the calculations. None of the limit criteria were reached during the test. The evaluation of the measurement data showed sufficient load-bearing capacity, so that the bridge could be approved for compensated traffic.

Translated title of the contribution
Potential stress corrosion cracking - Condition assessment of the Elbe Bridge Bad Schandau. Part 2
Planning, execution and evaluation of the load test

Details

Original languageGerman
Pages (from-to)1041-1050
Number of pages10
JournalBeton- und Stahlbetonbau
Volume120
Issue number12
Publication statusPublished - Dec 2025
Peer-reviewedYes

External IDs

ORCID /0000-0001-8735-1345/work/223386012

Keywords

ASJC Scopus subject areas

  • Building and Construction - building in existing structures, DFOS, load bearing test, prestressed concrete, prestressed concrete bridge, stress corrosion cracking

Keywords

  • building in existing structures, DFOS, load bearing test, prestressed concrete, prestressed concrete bridge, stress corrosion cracking