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高精度振動数推定法による橋梁の損傷予測
http://hdl.handle.net/10069/15085
http://hdl.handle.net/10069/15085fc527376-472c-405a-873e-eb922c51861a
名前 / ファイル | ライセンス | アクション |
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KJ00004724035.pdf (559.4 kB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2008-03-05 | |||||
タイトル | ||||||
タイトル | 高精度振動数推定法による橋梁の損傷予測 | |||||
言語 | ||||||
言語 | jpn | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | departmental bulletin paper | |||||
著者 |
岡林, 隆敏
× 岡林, 隆敏× 大岩根, 健吾× 木村, 啓作× 奥松, 俊博 |
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著者別名 | ||||||
姓名 | Okabayashi, Takatoshi | |||||
著者別名 | ||||||
姓名 | Oiwane, Kengo | |||||
著者別名 | ||||||
姓名 | Kimura, Keisaku | |||||
著者別名 | ||||||
姓名 | Okumatsu, Toshihiro | |||||
その他のタイトル | ||||||
その他のタイトル | Bridge-Damage Detection by the High Accurate Structural Frequency Estimation Method | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The difference of the natural frequency, which is caused by the change of structural condition such as deterioration and damage, is expected extremely small. The authors developed the high accurate structural frequency estimation method, which consists of AR model by ambient vibration. The method is applied to detect structural deterioration caused by damage of the bridge member. In this paper, series of simulation are performed in order to examine the method's efficiency. Consequently, we had a conclusion that the system can estimate the structural frequency with accuracy of 1/100 Hz. Also, we realized to evaluate the structural damage by the ratio of the difference of frequency and a standard deviation of estimated structural frequencies. | |||||
書誌情報 |
長崎大学工学部研究報告 巻 34, 号 63, p. 71-76, 発行日 2004-07 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 02860902 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN00178418 | |||||
sortkey | ||||||
P00071-P00076 | ||||||
引用 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 長崎大学工学部研究報告 Vol.34(63) p. 71-76, 2004 |