21204 ボルト結合構造物の振動特性 : ボルト結合部の位置の影響(振動・騒音(1))
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概要
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Bolted joint is used for construction of many structures.Dynamic characteristics of structures with bolted joint are important for design of structures subjected to dynamic load.In this paper, the effects of locations of bolted joint dynamic characteristics of structure are examined.Using specimens with bolted joint, the damping ratio and the natural frequency for the first and the second vibration mode are measured It is found that the damping ratio increases with when structure has bolted joint.Rate of increase of the damping ratio is low when location of bolted joint is at the node of the second vibration mode.
- 2005-03-17
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