2013 Fiscal Year Final Research Report
Evaluation and improvement of seismic performance for existing high-rise buildings subjected to high-level earthquake ground motions
| Project/Area Number |
23360245
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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 | Setsunan University (2012-2013)
Kyoto University (2011) |
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Principal Investigator |
UETANI Koji 摂南大学, 理工学部, 教授 (40026349)
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| Co-Investigator(Kenkyū-buntansha) |
KAWANO Akihiko 九州大学, 人間・環境学研究科, 教授 (60136520)
IKAGO Kohju 東北大学, 災害科学国際研究所, 教授 (20521983)
TAGAWA Hiroshi 広島大学, 工学研究科, 教授 (70283629)
ARAKI Yoshikazu 京都大学, 工学研究科, 准教授 (50324653)
YAMAKAWA Makoto 東京電機大学, 未来科学部, 准教授 (50378816)
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| Project Period (FY) |
2011-04-01 – 2014-03-31
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| Keywords | 超高層建物 / 倒壊余裕度 / 高レベル地震動 / 長周期地震動 / パルス性地震動 |
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| Research Abstract |
In recent years, the level of earthquake ground motions increased significantly that should be considered in structural design. There is a strong demand for evaluating and improving seismic performance for existing high-rise buildings subjected to high-level earthquake ground motions. In this research project, we have assessed the seismic performance of existing high-rise buildings by taking a variety of degradation effects into account. Also we have developed techniques suitable for improving their seismic performances. Furthermore, we have examined a mechanism of deformation concentration in lower stories in the process of building collapse.
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[Journal Article] Dynamic instability in high-rise SMRFs subjected to long-period ground motions2011
Author(s)
Araki, Y., Kim, M., Okayama, S., Ikago, K., Uetani, K
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Journal Title
World Academy of Science, Engineering and Technology
Volume: Vol.59
Pages: 2496-2503
Peer Reviewed
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