Abstract
During the load test of the road arch viaduct, it was found that it is very sensitive to dynamic effects. The occurrence of beats at the frequency of 2.50 Hz was registered. In order to clarify the causes of this phenomenon, a number of numerical analyses of the structure were conducted. It was found that in the arch structure, which has infrequently distributed inclined hangers, it may be possible for the frequencies in similar forms of flexural vibrations to appear. During the operational extortion, it leads to their disadvantageous consonance. There are several technical possibilities to improve the dynamic parameters of the analysed type of the arch viaduct (assembly of mass vibration dampers, the change of bearings and change of the layout of hangers). On the basis of the conducted theoretical analyses, the installation of the monitoring system was recommended.
| Original language | English |
|---|---|
| Pages (from-to) | 1090-1095 |
| Number of pages | 6 |
| Journal | Procedia Engineering |
| Volume | 161 |
| DOIs | |
| Publication status | Published - 2016 |
| Event | World Multidisciplinary Civil Engineering-Architecture-Urban Planning Symposium, WMCAUS 2016 - Prague, Czech Republic Duration: 13 Jun 2016 → 17 Jun 2016 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 16 Peace, Justice and Strong Institutions
Keywords
- arch bridge
- dynamic parameters
- numerical analysis
- resonance frequency
ASJC Scopus subject areas
- General Engineering
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