JP6886824B2 - 建物振動抑制装置 - Google Patents
建物振動抑制装置 Download PDFInfo
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- JP6886824B2 JP6886824B2 JP2017012331A JP2017012331A JP6886824B2 JP 6886824 B2 JP6886824 B2 JP 6886824B2 JP 2017012331 A JP2017012331 A JP 2017012331A JP 2017012331 A JP2017012331 A JP 2017012331A JP 6886824 B2 JP6886824 B2 JP 6886824B2
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- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Vibration Prevention Devices (AREA)
Description
また、ロック弁20がダンパ本体DBをロック状態としてもリリーフ弁22が開弁すると、ダンパ本体DBは、伸縮可能な状態となってロック弁20の開弁時よりも大きな減衰力を発揮するのである。
Claims (2)
- 伸縮時に減衰力を発揮するダンパ本体と、前記ダンパ本体の伸縮を可とするフリー状態と前記ダンパ本体の伸縮を不可とするロック状態とに選択的に切換えるロック弁と、前記ロック状態であっても開弁時にダンパ本体の伸縮を可能とするリリーフ弁とを有して、建物と地盤との間に介装されるダンパと、
前記ロック弁を制御するコントローラとを備え、
前記コントローラは、
前記ダンパ本体を前記フリー状態として地震時の建物の振動を抑制するとともに、地震時であっても前記建物が地盤に対して中立位置からの変位が変位閾値以上となると前記ダンパ本体をロック状態とし、
前記ダンパ本体が前記ロック状態である場合、前記建物の前記中立位置からの前記変位の波高値が前記変位閾値より小さな解除閾値未満となると前記ダンパ本体をフリー状態とする
ことを特徴とする建物振動抑制装置。 - 前記コントローラは、
前記地盤の加速度が加速度閾値以上の場合、前記ダンパ本体をフリー状態とし、
前記加速度が前記加速度閾値未満であって、かつ、前記建物周辺の風速が風速閾値以上である場合、前記ダンパ本体をロック状態とし、
前記加速度が前記加速度閾値未満であって、かつ、前記風速が前記風速閾値未満である場合、前記ダンパ本体をフリー状態とする
ことを特徴とする請求項1に記載の建物振動抑制装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2017012331A JP6886824B2 (ja) | 2017-01-26 | 2017-01-26 | 建物振動抑制装置 |
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JP2017012331A JP6886824B2 (ja) | 2017-01-26 | 2017-01-26 | 建物振動抑制装置 |
Publications (2)
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JP2018119343A JP2018119343A (ja) | 2018-08-02 |
JP6886824B2 true JP6886824B2 (ja) | 2021-06-16 |
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Family Applications (1)
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JP2017012331A Active JP6886824B2 (ja) | 2017-01-26 | 2017-01-26 | 建物振動抑制装置 |
Country Status (1)
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JP (1) | JP6886824B2 (ja) |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4766706A (en) * | 1986-03-12 | 1988-08-30 | Caspe Marc S | Earthquake protection system for structures |
JP3714725B2 (ja) * | 1996-04-26 | 2005-11-09 | カヤバ工業株式会社 | 免震装置 |
JPH11201221A (ja) * | 1998-01-09 | 1999-07-27 | Kayaba Ind Co Ltd | 免震装置 |
JP4451223B2 (ja) * | 2004-06-09 | 2010-04-14 | カヤバ工業株式会社 | 流体圧回路 |
JP2010189968A (ja) * | 2009-02-19 | 2010-09-02 | Asahi Kasei Homes Co | 長周期地震動対応システム、及び免震構造物 |
JP5578896B2 (ja) * | 2010-03-15 | 2014-08-27 | 日本キム株式会社 | スパウト付き収容体および栓体 |
JP6383656B2 (ja) * | 2014-12-19 | 2018-08-29 | 株式会社竹中工務店 | 振動測定器及び流体シリンダー装置 |
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- 2017-01-26 JP JP2017012331A patent/JP6886824B2/ja active Active
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