Simplified Model for Building-Foundation Interaction

by Hirokazu Takemiya,


Serial Information: Journal of the Engineering Mechanics Division, 1977, Vol. 103, Issue 2, Pg. 345-351


Document Type: Journal Paper

Abstract: Recently several papers have appeared concerning the structure-foundation interaction problem during earthquake motions in which the frequency domain analysis or the modified excitations has been taken due to the frequency-dependent nature of the substructure. To avoid the computational difficulties involved in this problem, the idea of simple discrete-type modeling for this part is very attractive. Adopting certain simple models of frequency-independent elements that can yield the frequency-dependent interaction forces developed by Veletsos and Verbic to fit the numerical data from the continuum mechanics approach, the writer shows a promising formulation for the responses analysis of total interaction system. This enables the direct time domain analysis.

Subject Headings: Natural frequency | Data processing | Foundations | Earthquakes | Ground motion | Frequency analysis | Excitation (physics) | Substructures

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