Identification of Bridge Deterioration Using Rate of Change of Deflection Influence Lines and Deflection Curves
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- ICHIKAWA Tatsuaki
- 長崎大学大学院工学研究科
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- MIYAHAMA Koichi
- 株式会社長大
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- SASAKI Kenji
- 長崎大学大学院工学研究科
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- DEMIZU Akira
- 長崎大学大学院工学研究科
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- KOGA Aoi
- 長崎大学ICT 基盤センター
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- Shimasaki Kohei
- 広島大学大学院工学研究科
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- ISHII Idaku
- 広島大学大学院工学研究科
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- MATSUDA Hiroshi
- 長崎大学大学院工学研究科
Bibliographic Information
- Other Title
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- たわみ影響線及びたわみ曲線の変化率を利用した橋梁劣化箇所同定
- タワミ エイキョウセン オヨビタワミ キョクセン ノ ヘンカリツ オ リヨウ シタ キョウリョウ レッカ カショ ドウテイ
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Abstract
<p>This paper presents an experimental and analytical study on how to identify the deterioration points of bridges using the rate of change of deflection influence lines and deflection curves. In the experiment using aluminum H-beams, the stiffness was changed by attaching aluminum steel plates instead of deteriorating the structural members. Although there was little difference in the natural frequencies of the two structures due to the change in stiffness, it was confirmed that the change rate of the deflection influence line could be used to identify the location of the stiffness change. In addition, it was found that the rate of change of the deflection curve obtained from the experimental results and the elastic analysis results of the two-dimensional FE analysis could be used to identify the location of shear cracks in the loading test of RC beams with shear failure precedence.</p>
Journal
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- Journal of the Japanese Society for Experimental Mechanics
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Journal of the Japanese Society for Experimental Mechanics 21 (2), 97-103, 2021-07-03
The Japanese Society for Experimental Mechanics
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Details 詳細情報について
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- CRID
- 1390852271223814784
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- NII Article ID
- 130008086183
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- NII Book ID
- AA11822914
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- ISSN
- 18844219
- 13464930
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- NDL BIB ID
- 031603559
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- Text Lang
- ja
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- Data Source
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- JaLC
- NDL
- CiNii Articles
- KAKEN
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- Abstract License Flag
- Disallowed