Risk Analysis of Vehicle on Bridge Deck During Strong Side Wind
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Bibliographic Details
| Author(s): |
Se-Jin Kim
(Institute of Construction and Environmental Engineering, Seoul National University, Seoul, South Korea)
Ho-Kyung Kim 
(Seoul National University, Seoul, South Korea)
Won-Suk Park (Mokpo National University, Mokpo, South Korea) |
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| Medium: | conference paper | ||||
| Language(s): | English | ||||
| Conference: | IABSE Symposium: Tomorrow’s Megastructures, Nantes, France, 19-21 September 2018 | ||||
| Published in: | IABSE Symposium Nantes 2018 | ||||
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| Page(s): | S22-37 | ||||
| Total no. of pages: | 7 | ||||
| DOI: | 10.2749/nantes.2018.s22-37 | ||||
| Abstract: |
This study aims to develop a risk analysis platform for a vehicle over a bridge deck during strong side wind. Two key procedures are presented for risk assessment. One is a proposition of a static model of vehicle for 16 different wind directions. This static model is used in developing so-called critical wind speed curve (CWC) and has been validated by a well-established vehicle-dynamics software, TRUCKSIM. The other is developing probabilistic model of wind speed over a bridge deck from the long-term wind data near the bridge site. The proposed methodology was applied to the Gwangan Bridge, a sea-crossing suspension bridge with the main span of 500 m in length. The parametric study demonstrated vehicle speed and payload of the vehicle were key parameters which effected on the vehicle vulnerability. Especially, it was demonstrated that a vehicle was exposed to more unfavourable condition in curved part of the bridge. |
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| Keywords: |
wind bridge vulnerability Hazard vehicle safety Curved road Traffic Control probabilistic assessment
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