Proceedings of the Computational Structural Engineering Institute Conference (한국전산구조공학회:학술대회논문집)
- 2006.04a
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- Pages.647-654
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- 2006
The Analytical Study on the Cause of Fatigue Damage and the Improvement of Fatigue Performance for Orthotropic Steel Deck
강바닥판 피로손상 원인규명 및 피로성능 개선에 관한 해석적 연구
- Published : 2006.04.01
Abstract
In orthotropic steel decks, it is likely to have defects due to fatigue damages because most of structural joints(the connection of longitudinal rib and transverse rib, the connection of deck plate and longitudinal rib) are connected by welds. However. orthotropic steel decks have many advantages. such as light weight and reduction of construction time. in comparison with concrete decks. Therefore. they are mostly used in long-span bridges and urban highway bridges. This study consists of the cause identication of fatigue damage and the suggestion of rational thickness on deck plate about the connection of deck plate and longitudinal rib. The results are as follows: fatigue damage cause at the connection of deck plate and longitudinal rib is local deformation in deck plate. And, rational thickness of deck plate is 16mm thickness.
Keywords
- orthotropic steel decks;
- the connection of deck plate and longitudinal rib;
- local deformation;
- fatigue damages