ALLOWABLE AMPLITUDE OF VORTEX-INDUCED OSCILLATION OF LONG-SPAN BRIDGES
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概要
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A certain amount of restricted vibration is allowed for the wind-induced vibrations that affect longspan bridges if it does not cause fatigue damage to the structural members or the unserviceability of such bridges. The allowable amplitudes of vortex-induced oscillation were investigated here. First, the allowable amplitude was determined in terms of the allowable stress on structural members and the serviceability of a bridge, after which the fatigue damage done to structural members was examined. The serviceability of a bridge is related to the sensitivity of pedestrians and drivers to its vibration. In our study of fatigue damage, the number of cycles of vortex-induced oscillation in the lifespan of a bridge was found by processing and analyzing stochastic data on natural wind recorded at the site of bridge's construction as well as the results of wind tunnel tests.
- 日本自然災害学会の論文
- 1988-00-00
著者
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Kawatani M
Department Of Civil Engineering Osaka University
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KAWATANI Mitsuo
Department of Civil Engineering, Osaka University
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KOMATSU Sadao
Department of Civil Engineering, Osaka Sangyo University
関連論文
- ALLOWABLE AMPLITUDE OF VORTEX-INDUCED OSCILLATION OF LONG-SPAN BRIDGES
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