日本機械学会論文集 C編
Online ISSN : 1884-8354
Print ISSN : 0387-5024
粘弾性ダンパによる電車線柱の減衰性能向上(<特集>D&D2009)
網干 光雄常本 瑞樹砂子田 勝昭松岡 太一五十幡 直文柴田 和彦
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2010 年 76 巻 765 号 p. 1171-1177

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In case of an earthquake, an electric-railway pole that supports overhead contact lines oscillates. Especially, when natural frequency of a viaduct and that of a pole coincide with each other, resonance occurs, and there is a possibility that a pole collapses. A damping device for electric-railway pole has been invented in order to reduce the vibration caused by an earthquake or passing train. The authors conducted theoretical analyses of pole response equipped with the damping device and vibration test of real scale pole. The damping device is a sandwich structure consisting of a steel plate and a visco-elastic body, which has damping effect even for minute displacement. The result of theoretical analyses has been found to be almost identical to the result of vibration test. Moreover, as the result of vibration test, damping effect of the device has been verified.

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© 2010 社団法人日本機械学会
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