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논문 기본 정보

자료유형
학술저널
저자정보
Guo, Zengwei (State Key Laboratory of Disaster Reduction in Civil Engineering, Department of Bridge Engineering, Tongji University) Ge, Yaojun (State Key Laboratory of Disaster Reduction in Civil Engineering, Department of Bridge Engineering, Tongji University) Zhao, Lin (State Key Laboratory of Disaster Reduction in Civil Engineering, Department of Bridge Engineering, Tongji University) Shao, Yahui (State Key Laboratory of Disaster Reduction in Civil Engineering, Department of Bridge Engineering, Tongji University)
저널정보
테크노프레스 Wind & structures Wind & structures 제16권 제3호
발행연도
2013.1
수록면
279 - 300 (22page)

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This paper presents a new analysis framework for predicting the internal buffeting forces in bridge components under skew wind. A linear regressive model between the internal buffeting force and deformation under normal wind is derived based on mathematical statistical theory. Applying this regression model under normal wind and the time history of buffeting displacement under skew wind with different yaw angles in wind tunnel tests, internal buffeting forces in bridge components can be obtained directly, without using the complex theory of buffeting analysis under skew wind. A self-anchored suspension bridge with a main span of 260 m and a steel arch bridge with a main span of 450 m are selected as case studies to illustrate the application of this linear regressive framework. The results show that the regressive model between internal buffeting force and displacement may be of high significance and can also be applied in the skew wind case with proper regressands, and the most unfavorable internal buffeting forces often occur under yaw wind.

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