振動測定に基づく応力推定による鋼構造物劣化診断技術
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概要
- 論文の詳細を見る
Recently, aging of steel structures such as conveyor frames has been a big issue in steelmaking works. It may lead to fatal breakdown of production lines and increase of maintenance and renovation cost. In order to solve this problem, a new damage assessment technique based on vibration measurement has been developed. The maximum stress in a conveyor frame, which is one of the most important elements to evaluate structural integrity, can be deduced from its natural frequency of the 1st bending mode. The validity of the technique has been verified by numerical simulation and proof-of-concept experiments. It enables us to assess and maintain conveyor frames properly, and contributes to the steady delivery of the products.
- 日本実験力学会の論文
日本実験力学会 | 論文
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- 複数縁き裂の応力拡大係数の干渉効果(中央部き裂のKと各き裂のK,K_について)