Vibration serviceability assessment of a stress-ribbon footbridge
Конференцијски прилог (Рецензирана верзија)
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With advancements in structural modelling and construction techniques, contemporary footbridges have become increasingly susceptible to vibrations induced by human activities, such as walking, jogging and jumping. This study aims to evaluate pedestrian-induced vibrations of a stress-ribbon footbridge. A three-dimensional finite element model of the footbridge was developed, considering nonlinear behavior of the structure and staged construction. Vibration serviceability assessment was carried out using HIVOSS design guidelines. Numerical modal analysis showed that the lateral modes of vibration cannot be excited in resonance by pedestrians walking. However, the footbridge is prone to vertical pedestrian-induced vibrations. The first torsional mode shape is the most critical. It can be excited in resonance by the first harmonic of the vertical pedestrian loading, yielding vibration response beyond the suggested acceleration limit in some extreme scenarios of pedestrian loading.
Кључне речи:
pedestrian-induced loading / nonlinear behavior / modal analysis / numerical model / dynamic responseИзвор:
16th International scientific conference Planning, design, construction and building renewal INDIS 2023, 16-17 November 2023, 2023Издавач:
- Department for Civil Engineering and Geodesy, Faculty of Technical Sciences, University of Novi sad
Финансирање / пројекти:
- Министарство науке, технолошког развоја и иновација Републике Србије, институционално финансирање - 200092 (Универзитет у Београду, Грађевински факултет) (RS-MESTD-inst-2020-200092)
Колекције
Институција/група
GraFarTY - CONF AU - Nefovska-Danilović, Marija AU - Racić, Vitomir PY - 2023 UR - https://grafar.grf.bg.ac.rs/handle/123456789/3262 AB - With advancements in structural modelling and construction techniques, contemporary footbridges have become increasingly susceptible to vibrations induced by human activities, such as walking, jogging and jumping. This study aims to evaluate pedestrian-induced vibrations of a stress-ribbon footbridge. A three-dimensional finite element model of the footbridge was developed, considering nonlinear behavior of the structure and staged construction. Vibration serviceability assessment was carried out using HIVOSS design guidelines. Numerical modal analysis showed that the lateral modes of vibration cannot be excited in resonance by pedestrians walking. However, the footbridge is prone to vertical pedestrian-induced vibrations. The first torsional mode shape is the most critical. It can be excited in resonance by the first harmonic of the vertical pedestrian loading, yielding vibration response beyond the suggested acceleration limit in some extreme scenarios of pedestrian loading. PB - Department for Civil Engineering and Geodesy, Faculty of Technical Sciences, University of Novi sad C3 - 16th International scientific conference Planning, design, construction and building renewal INDIS 2023, 16-17 November 2023 T1 - Vibration serviceability assessment of a stress-ribbon footbridge UR - https://hdl.handle.net/21.15107/rcub_grafar_3262 ER -
@conference{ author = "Nefovska-Danilović, Marija and Racić, Vitomir", year = "2023", abstract = "With advancements in structural modelling and construction techniques, contemporary footbridges have become increasingly susceptible to vibrations induced by human activities, such as walking, jogging and jumping. This study aims to evaluate pedestrian-induced vibrations of a stress-ribbon footbridge. A three-dimensional finite element model of the footbridge was developed, considering nonlinear behavior of the structure and staged construction. Vibration serviceability assessment was carried out using HIVOSS design guidelines. Numerical modal analysis showed that the lateral modes of vibration cannot be excited in resonance by pedestrians walking. However, the footbridge is prone to vertical pedestrian-induced vibrations. The first torsional mode shape is the most critical. It can be excited in resonance by the first harmonic of the vertical pedestrian loading, yielding vibration response beyond the suggested acceleration limit in some extreme scenarios of pedestrian loading.", publisher = "Department for Civil Engineering and Geodesy, Faculty of Technical Sciences, University of Novi sad", journal = "16th International scientific conference Planning, design, construction and building renewal INDIS 2023, 16-17 November 2023", title = "Vibration serviceability assessment of a stress-ribbon footbridge", url = "https://hdl.handle.net/21.15107/rcub_grafar_3262" }
Nefovska-Danilović, M.,& Racić, V.. (2023). Vibration serviceability assessment of a stress-ribbon footbridge. in 16th International scientific conference Planning, design, construction and building renewal INDIS 2023, 16-17 November 2023 Department for Civil Engineering and Geodesy, Faculty of Technical Sciences, University of Novi sad.. https://hdl.handle.net/21.15107/rcub_grafar_3262
Nefovska-Danilović M, Racić V. Vibration serviceability assessment of a stress-ribbon footbridge. in 16th International scientific conference Planning, design, construction and building renewal INDIS 2023, 16-17 November 2023. 2023;. https://hdl.handle.net/21.15107/rcub_grafar_3262 .
Nefovska-Danilović, Marija, Racić, Vitomir, "Vibration serviceability assessment of a stress-ribbon footbridge" in 16th International scientific conference Planning, design, construction and building renewal INDIS 2023, 16-17 November 2023 (2023), https://hdl.handle.net/21.15107/rcub_grafar_3262 .