Assessment of the dynamic structural behaviour of footbridges based on experimental monitoring and numerical analysis
| Autor: | J.G.S. da Silva, G. L. Debona |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2020 |
| Předmět: |
Human comfort
Building construction business.industry Computer science Numerical analysis 0211 other engineering and technologies Modal testing 020101 civil engineering 02 engineering and technology General Medicine Structural engineering Pedestrian dynamic analysis Finite element method experimental monitoring 0201 civil engineering Vibration footbridges Data acquisition 021105 building & construction business human comfort TH1-9745 |
| Zdroj: | Revista IBRACON de Estruturas e Materiais, Vol 13, Iss 3, Pp 563-577 (2020) |
| ISSN: | 1983-4195 |
| Popis: | This research work aims to investigate the dynamic structural behaviour and assess the human comfort of footbridges, when subjected to pedestrian walking, based on experimental tests and tuning of finite element model. Therefore, the investigated structure is associated to a real pedestrian footbridge, spanning 24.4m, located at the campus of the State University of Rio de Janeiro (UERJ), Rio de Janeiro, Brazil. Initially, an experimental modal testing was conducted using two data acquisition strategies. After that the experimental forced vibration tests were performed on the footbridge, considering the pedestrians walking with different step frequencies. In sequence of the study, a finite element model was developed based on the ANSYS computational program. The experimental footbridge tests were used for the calibration of results on the numerical model. Finally, a human comfort assessment was performed, based on the comparisons between the results (peak accelerations), of the dynamic experimental monitoring and the recommendations provided by design guides SÉTRA, HIVOSS and AISC. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|