JP4425751B2 - 橋脚の耐震補強構造 - Google Patents
橋脚の耐震補強構造 Download PDFInfo
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- JP4425751B2 JP4425751B2 JP2004263297A JP2004263297A JP4425751B2 JP 4425751 B2 JP4425751 B2 JP 4425751B2 JP 2004263297 A JP2004263297 A JP 2004263297A JP 2004263297 A JP2004263297 A JP 2004263297A JP 4425751 B2 JP4425751 B2 JP 4425751B2
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- Prior art keywords
- bridge
- column
- reinforcement structure
- column bases
- pier
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Description
Claims (5)
- 2以上の柱脚と横梁とを有する既設のラーメン橋脚の耐震補強構造であって、前記柱脚の上端をつなぐ横梁を前記柱脚間で切断し橋軸直角方向に分離することで、橋軸直角方向の水平外力によるせん断力が前記柱脚のせん断耐力に達する前に、柱脚下部に曲げ降伏が生ずるようにしたことを特徴とする橋脚の耐震補強構造。
- 前記横梁の切断位置にダンパーを介在させてあることを特徴とする請求項1記載の橋脚の耐震補強構造。
- 前記横梁の切断位置に切断面内での摺動を許容する滑り材を介在させてあることを特徴とする請求項1記載の橋脚の耐震補強構造。
- 2以上の柱脚と横梁とを有する橋脚の耐震補強構造であって、前記柱脚の上端をつなぐ横梁を前記柱脚間で橋軸直角方向に分離し、前記横梁の分離位置にダンパーを介在させてあることを特徴とする橋脚の耐震補強構造。
- 2以上の柱脚と横梁とを有する橋脚の耐震補強構造であって、前記柱脚の上端をつなぐ横梁を前記柱脚間で橋軸直角方向に分離し、前記横梁の分離位置に滑り材を介在させてあることを特徴とする橋脚の耐震補強構造。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2004263297A JP4425751B2 (ja) | 2004-09-10 | 2004-09-10 | 橋脚の耐震補強構造 |
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JP2004263297A JP4425751B2 (ja) | 2004-09-10 | 2004-09-10 | 橋脚の耐震補強構造 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006077481A JP2006077481A (ja) | 2006-03-23 |
JP4425751B2 true JP4425751B2 (ja) | 2010-03-03 |
Family
ID=36157157
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2004263297A Expired - Fee Related JP4425751B2 (ja) | 2004-09-10 | 2004-09-10 | 橋脚の耐震補強構造 |
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JP (1) | JP4425751B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP7464566B2 (ja) | 2021-05-31 | 2024-04-09 | 大成建設株式会社 | 構造物 |
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2004
- 2004-09-10 JP JP2004263297A patent/JP4425751B2/ja not_active Expired - Fee Related
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JP2006077481A (ja) | 2006-03-23 |
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