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논문 기본 정보

자료유형
학술저널
저자정보
Wan, Jia-wei (Department of Bridge Engineering, Southwest Jiaotong Univ.) Wang, Qi (Department of Bridge Engineering and Research Center for Wind Engineering, Southwest Jiaotong Univ.) Liao, Hai-li (Department of Bridge Engineering and Research Center for Wind Engineering, Southwest Jiaotong Univ.) Li, Ming-shui (Department of Bridge Engineering and Research Center for Wind Engineering, Southwest Jiaotong Univ.)
저널정보
테크노프레스 Wind & structures Wind & structures 제25권 제3호
발행연도
2017.1
수록면
215 - 232 (18page)

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Wind tunnel tests and numerical aerodynamic analyses were conducted for an integrated catwalk structure under strong winds. From the wind tunnel tests, it is found that the aerodynamic coefficients were different from those of the typical type. The drag coefficient was larger than typical and was sensitive to number of vertical meshes installed rather than the solidity ratio. Comparing with typical catwalk, the integrated one showed larger deformation under strong wind, and the large torsional deformation are mainly caused by drag force. It did not show aerodynamic divergence even the torsional deformation reaching $20^{\circ}$. The reason could be that the stiffness is smaller and thus the catwalk is able to deform to the shape compactable with higher loading. Considering safety for construction, storm rope system is introduced to the catwalk to reduce the deformation to acceptable level.

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