Ground motion synthesis considering time-frequency characteristics and uncertainty of nonlinear response
| Project/Area Number |
21560498
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Structural engineering/Earthquake engineering/Maintenance management engineering
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| Research Institution | The University of Tokyo |
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Principal Investigator |
HONDA Riki 東京大学, 大学院・工学系研究科, 准教授 (60301248)
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| Project Period (FY) |
2009 – 2011
|
| Project Status |
Completed (Fiscal Year 2011)
|
| Budget Amount *help |
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2011: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2010: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2009: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
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| Keywords | 設計地震動 / 時間周波数特性 / 不確実性 / 非線形性 / ウェーブレット / 不確定性 |
|---|
| Research Abstract |
It is essential to consider the uncertainty of structural and seismic parameters for the seismic design of infrastructure. This research proposed a input ground motion synthesis method that considers uncertainty in various factors and nonlinear behavior of structures. Representation of ground motion based on time-frequency characteristics is presented. The proposed methods first define a set of possible ground motions and then generate the ground motion that represents the set.
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Report
(4 results)
Research Products
(34 results)
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[Journal Article]2011
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Journal Title
Journal of Structural Engineering
Volume: 137
Issue: 3
Pages: 391-400
DOI
ISSN
0733-9445, 1943-541X
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