CRITICAL DIRECTION OF HORIZONTAL EARTHQUAKE INPUTS SUBJECTED TO BEARINGS OF CURVED GIRDER BRIDGES BY RANDOM VIBRATION ANALYSIS
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- Kawakami Masahide
- THE JAPAN SOCIETY OF CIVIL ENGINEERS
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- Okabayashi Takatoshi
- THE JAPAN SOCIETY OF CIVIL ENGINEERS
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- Sakiyama Takeshi
- THE JAPAN SOCIETY OF CIVIL ENGINEERS
Bibliographic Information
- Other Title
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- 不規則応答解析による曲線桁橋支承部の地震動最悪入力方向についての考察
- フキソク オウトウ カイセキ ニヨル キョクセン ケタバシ シショウブ ノ ジ
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Abstract
The purpose of this paper is to study the direction of horizontal earthquake inputs which produce the critical dynamic responses subjected to bearings of the curved girder bridges by the stationary random vibration analysis. This method is based on the assumption that the input excitation is the stationary Gaussian process and the response is stationary . We can calculate the deviation of the displacements and the reaction forces of the bearings by employing the stochastic differential equation. Kanai-Tajimi form and Clough-Penzien form were used to obtain a power spectral density for modeling ground acceleration response during earthquakes. The proposed procedure is demonstrated for an example bridge. Computed results based on the proposed method are shown to be in close agreement with Monte Carlo results obtained through time-history analysis.
Journal
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- Doboku Gakkai Ronbunshu
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Doboku Gakkai Ronbunshu 1995 (516), 99-104, 1995-06-20
Japan Society of Civil Engineers
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Details 詳細情報について
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- CRID
- 1390001205307987456
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- NII Article ID
- 10001646512
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- NII Book ID
- AN10014020
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- ISSN
- 18827187
- 02897806
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- NDL BIB ID
- 3624935
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed