JP2007120596A - 免震装置 - Google Patents
免震装置 Download PDFInfo
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- JP2007120596A JP2007120596A JP2005312715A JP2005312715A JP2007120596A JP 2007120596 A JP2007120596 A JP 2007120596A JP 2005312715 A JP2005312715 A JP 2005312715A JP 2005312715 A JP2005312715 A JP 2005312715A JP 2007120596 A JP2007120596 A JP 2007120596A
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- Prior art keywords
- stacking direction
- vibration energy
- seismic isolation
- isolation device
- yield point
- Prior art date
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- 238000002955 isolation Methods 0.000 title claims abstract description 42
- 238000010008 shearing Methods 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 11
- 230000002093 peripheral effect Effects 0.000 claims abstract description 9
- 239000013013 elastic material Substances 0.000 claims abstract description 8
- 238000010030 laminating Methods 0.000 claims abstract description 7
- 239000004033 plastic Substances 0.000 claims description 39
- 239000007769 metal material Substances 0.000 claims description 34
- 239000006096 absorbing agent Substances 0.000 claims description 29
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 15
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 238000003475 lamination Methods 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 11
- 239000010959 steel Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 8
- 229920001971 elastomer Polymers 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 4
- 238000005304 joining Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 229910000978 Pb alloy Inorganic materials 0.000 description 1
- 229910001128 Sn alloy Inorganic materials 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Vibration Prevention Devices (AREA)
- Springs (AREA)
- Vibration Dampers (AREA)
Abstract
【解決手段】積層方向Aの荷重Bを支持するようにした免震装置1は、弾性材料層2及び剛性材料層3が交互に積層されていると共に剪断方向Cにおいて弾性的に剪断変形自在な積層体4と、積層体4の内周面5で規定された中空部6に配されていると共に剪断方向Cに変形自在であって加わる剪断方向Cの振動エネルギを当該剪断方向Cの変形により吸収する振動エネルギ吸収体7とを具備している。
【選択図】図1
Description
2 弾性材料層
3 剛性材料層
4 積層体
5 内周面
6 中空部
7 振動エネルギ吸収体
Claims (4)
- 弾性材料層及び剛性材料層が交互に積層されていると共に積層方向と直交する剪断方向において弾性的に剪断変形自在な積層体と、この積層体の内周面で規定された柱状の中空部に配されていると共に剪断方向に変形自在であって加わる剪断方向の振動エネルギを当該剪断方向の変形により吸収する柱状の振動エネルギ吸収体とを具備しており、この振動エネルギ吸収体は、積層方向において同一の剪断方向の断面形状をもって積層方向に伸びていると共に積層方向において降伏点が異なるように、積層方向において異なる塑性金属材料をもって形成されている、前記積層方向の荷重を支持するようにした免震装置。
- 振動エネルギ吸収体は、積層方向において降伏点が連続的又は不連続的に変化するように、積層方向において異なる塑性金属材料をもって形成されている請求項1に記載の免震装置。
- 振動エネルギ吸収体は、積層方向において降伏点が積層方向の中央に関して対称となるように、積層方向において異なる塑性金属材料をもって形成されている請求項1又は2に記載の免震装置。
- 振動エネルギ吸収体は、鉛、錫又はそれらの合金を含む塑性金属材料からなっている請求項1から3のいずれか一項に記載の免震装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005312715A JP4736715B2 (ja) | 2005-10-27 | 2005-10-27 | 免震装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005312715A JP4736715B2 (ja) | 2005-10-27 | 2005-10-27 | 免震装置 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011034027A Division JP4941601B2 (ja) | 2011-02-18 | 2011-02-18 | 免震装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007120596A true JP2007120596A (ja) | 2007-05-17 |
JP4736715B2 JP4736715B2 (ja) | 2011-07-27 |
Family
ID=38144663
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005312715A Active JP4736715B2 (ja) | 2005-10-27 | 2005-10-27 | 免震装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4736715B2 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012189174A (ja) * | 2011-03-11 | 2012-10-04 | Mitsubishi Heavy Ind Ltd | せん断ダンパー |
JP2016084696A (ja) * | 2015-06-11 | 2016-05-19 | オイレス工業株式会社 | 下部構造物と上部構造物との間から免震装置を除去する方法又はこれらの間に新たな免震装置を設置する方法 |
CN109072574A (zh) * | 2016-04-15 | 2018-12-21 | 奥依列斯工业株式会社 | 桥梁用避震支撑装置及使用了该装置的桥梁 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0797827A (ja) * | 1993-09-29 | 1995-04-11 | Oiles Ind Co Ltd | 鉛封入積層ゴム支承 |
JPH0821484A (ja) * | 1994-07-08 | 1996-01-23 | Oiles Ind Co Ltd | 鉛封入積層ゴム支承 |
JP2006242239A (ja) * | 2005-03-02 | 2006-09-14 | Sumitomo Metal Mining Co Ltd | エネルギー吸収装置 |
JP2006275212A (ja) * | 2005-03-30 | 2006-10-12 | Sumitomo Metal Mining Co Ltd | エネルギー吸収装置 |
-
2005
- 2005-10-27 JP JP2005312715A patent/JP4736715B2/ja active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0797827A (ja) * | 1993-09-29 | 1995-04-11 | Oiles Ind Co Ltd | 鉛封入積層ゴム支承 |
JPH0821484A (ja) * | 1994-07-08 | 1996-01-23 | Oiles Ind Co Ltd | 鉛封入積層ゴム支承 |
JP2006242239A (ja) * | 2005-03-02 | 2006-09-14 | Sumitomo Metal Mining Co Ltd | エネルギー吸収装置 |
JP2006275212A (ja) * | 2005-03-30 | 2006-10-12 | Sumitomo Metal Mining Co Ltd | エネルギー吸収装置 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012189174A (ja) * | 2011-03-11 | 2012-10-04 | Mitsubishi Heavy Ind Ltd | せん断ダンパー |
JP2016084696A (ja) * | 2015-06-11 | 2016-05-19 | オイレス工業株式会社 | 下部構造物と上部構造物との間から免震装置を除去する方法又はこれらの間に新たな免震装置を設置する方法 |
CN109072574A (zh) * | 2016-04-15 | 2018-12-21 | 奥依列斯工业株式会社 | 桥梁用避震支撑装置及使用了该装置的桥梁 |
CN109072574B (zh) * | 2016-04-15 | 2020-06-12 | 奥依列斯工业株式会社 | 桥梁用避震支撑装置及使用了该装置的桥梁 |
Also Published As
Publication number | Publication date |
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JP4736715B2 (ja) | 2011-07-27 |
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