PARAMETRIC ANALYSES OF DYNAMIC CHARACTERISTIC OF THE CABLE-STAYED PEDESTRIAN BRIDGE
Journal Title: Civil and Environmental Engineering Reports - Year 2017, Vol 4, Issue 27
Abstract
The paper presents characteristics of the structural system and results of dynamic field tests and numerical parametric analyses of three-span, two-pylon, cable-stayed pedestrian bridge with steel-concrete composite deck and spans of 25.5 + 60.0 + 25.5 m. The footbridge is characterized by increased dynamic susceptibility of the elements of the suspension system observed during the everyday operation of the structure. The analyses have shown that the high amplitude vibrations of the pylon back-stay cables change the parameters of the structural system and consequently change the value of the natural vibration frequencies of the structure. In the paper, the selection methodology of parameters of the computational model which allows to correctly determine the natural vibration frequencies of the footbridge has been presented<br/><br/>
Authors and Affiliations
Marek PAŃTAK, Bogusłąw JAREK
Keywords
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- EP ID EP270311
- DOI 10.1515/ceer-2017-0052
- Views 89
- Downloads 0
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