Reference : Modeling of a prestressed concrete bridge with 3D finite elements for structural heal...
Scientific congresses, symposiums and conference proceedings : Paper published in a book
Engineering, computing & technology : Civil engineering
Engineering, computing & technology : Mechanical engineering
Physics and Materials Science
http://hdl.handle.net/10993/37742
Modeling of a prestressed concrete bridge with 3D finite elements for structural health monitoring using model updating techniques
English
Schommer, Sebastian mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit >]
Kebig, Tanja mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit >]
Nguyen, Viet Ha mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit >]
Zürbes, Arno []
Maas, Stefan mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit >]
2018
ISMA2018 International Conference on Noise and Vibration Engineering
No
ISMA2018 International Conference on Noise and Vibration Engineering
from 17-09-2018 to 19-09-2018
KU Leuven
Leuven
Belgium
[en] finite elements ; solid ; prestressed ; damage detection
[en] This paper presents a linear finite element model for a prestressed concrete beam, which was part of a real bridge. Static and dynamic tests were carried out and compared to the numerical simulation responses. A solid finite element model was created including the prestressed concrete beam, permanent dead load, two additional live loads and a shaker. A well planned finite element model is very important for later detection and localization of damage. Therefore, a mapped mesh was used to define so-called ‘slices’, which enables describing stiffness changes, e.g. damage. The model validation was performed by comparing simulated results to measured responses in the healthy state of the beam. After validation of the reference model, it is possible to modify the bending stiffness along the longitudinal axis of the beam by modifying Young’s moduli of different slices to adapt for the effect of damage.
http://hdl.handle.net/10993/37742

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