2012 Fiscal Year Final Research Report
Experimental and analytical study on seismic performance of low-rise light houses consisting of sliding base and oil dampers
| Project/Area Number |
22360234
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Building structures/materials
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| Research Institution | Waseda University |
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Principal Investigator |
SODA Satsuya 早稲田大学, 理工学術院, 教授 (70134351)
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| Co-Investigator(Kenkyū-buntansha) |
MIYAZU Yuji 早稲田大学, 理工学研究所, 次席研究員 (70547091)
WAKITA Takehiro 中部大学, 工学部建築学科, 助教 (10469025)
MATSUNAGA Hiroki (株)竹中工務店, 技術研究所 (60434304)
SONG Sungbin 早稲田大学, 理工学研究所, 招聘研究員 (60547090)
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| Project Period (FY) |
2010 – 2012
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| Keywords | 過酷地震動 / 損傷制御 / オイルダンパ / 滑り基礎 / 戸建低層住宅 / 木造 / 薄板軽量形鋼造 / 振動台実験 |
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| Research Abstract |
We developed a new earthquake resistant hybrid sytem for houses consisting of a mat foundation, a sliding base and an upper structure with oil dampers. It works as a base-isolated system when ground motion is extremely strong. Under minor ground motions or strong wind, the base does not slide but oil dampers work to decrease vibration of upper structure. By shaking-table tests and numerical analyses, it is confirmed that deflection as well as acceleration can be decreased, making it possible to make use of the house even soon after a severre earthquake.
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