2010 Fiscal Year Final Research Report
Analytical and exper imental study on behavior of structure supported by piles subjected to very large earthquakes
| Project/Area Number |
21860056
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| Research Category |
Grant-in-Aid for Research Activity Start-up
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| Allocation Type | Single-year Grants |
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| Research Field |
Building structures/materials
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| Research Institution | Osaka University |
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Principal Investigator |
KASHIWA Hisatoshi Osaka University, 工学研究科, 助教 (40550132)
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| Project Period (FY) |
2009 – 2010
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| Keywords | 基礎構造 / 杭の水平抵抗 / 振動実験 |
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| Research Abstract |
In order to construct the design method of structure supported by piles considered with nonlinear soil-structure interaction, we analytically and experimentally study the influence of the nonlinearity of pile damage on building response. The following conclusions were obtained : (1) The reduction of predominant frequency is mainly caused by the nonlinearity of the soil around piles. (2) The nonlinearity of pile damage has a very small effect in the building response in aftershock. (3) The behavior of piles in inelastic state can be explained in terms of the seismic deformation method
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