Evaluation of an existing bridge`s modal properties using simplified finite element analysis
Conference
·
OSTI ID:188885
The purpose of this paper is to present results of a simplified approach to the dynamic finite element modeling of composite girder-slab bridges using a single beam element to represent the girder-slab cross section. Dynamic properties calculated with these simplified models are compared to experimental results and results obtained from more detailed shell element models. The method for modeling flexural behavior is first discussed followed by a discussion of modeling torsional behavior. The beam element models accurately calculated the mode shapes of the structure, but the associated resonant frequencies showed some error.
- Research Organization:
- Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
- Sponsoring Organization:
- Federal Highway Administration, Washington, DC (United States)
- DOE Contract Number:
- W-7405-ENG-36
- OSTI ID:
- 188885
- Report Number(s):
- LA-UR-95-3946; CONF-960238-7; ON: DE96005351; TRN: 96:001424
- Resource Relation:
- Conference: 14. international modal analysis conference, Dearborn, MI (United States), 12-15 Feb 1996; Other Information: PBD: 1996
- Country of Publication:
- United States
- Language:
- English
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