Vibrations for estimating bolted joint integrity (VEBJI) project: Challenges and results

D. Tcherniak*, J. J. Thomsen*, M. Brøns*

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review


Bolted joints are one of the oldest and widely-used means of connecting parts of technical installations. For mission-critical and expensive assets, periodic inspection of bolted joints is the conventional way of ensuring the assets' structural integrity, and hence their safe operation. Currently, the inspections require hours of physically demanding and monotonic work, as in practice it often means re-tightening the bolts. Thus, the asset maintenance units will benefit from a simpler and less demanding technique, which would allow checking the correct bolt tightening and notifying if a bolt is loose. For the last three years, a joint research team led by the Technical University of Denmark in collaboration with Brüel & Kjær and Karlsruhe Institute of Technology was conducting a project, where vibrations, artificially induced in a bolted joint, were utilized for estimation of the static axial force acting in the bolt. The presented paper provides an overview of the project, lists the numerous challenges the project had to deal with and describes what was learned and achieved.
Original languageEnglish
Title of host publicationProceedings of the International Conference on Structural Dynamic, EURODYN
EditorsM. Papadrakakis, M. Fragiadakis , C. Papadimitriou
PublisherEuropean Association for Structural Dynamics
Publication date2020
ISBN (Electronic)978-618850720-3
Publication statusPublished - 2020
Event11th International Conference on Structural Dynamics - Online event, Athens, Greece
Duration: 23 Nov 202026 Nov 2020


Conference11th International Conference on Structural Dynamics
LocationOnline event
Internet address
SeriesProceedings of the International Conference on Structural Dynamics


Dive into the research topics of 'Vibrations for estimating bolted joint integrity (VEBJI) project: Challenges and results'. Together they form a unique fingerprint.

Cite this