Research Article
Oct 1971
Structure-Ground Interaction in Earthquakes
Publication: Journal of the Engineering Mechanics Division
Volume 97, Issue 5
Abstract
A method of analysis is presented for determining elastic structure-ground interaction effects of single-story structures under earthquake loads. The method derives an equivalent SDF model for the relative story displacement, incorporating the effects of horizontal and rotational base flexibility in a structure. The equivalent SDF model then permits the determination of the seismic interaction response directly from established or assumed response spectra, or from response calculations of ordinary SDF systems. Sample calculations are presented showing responses for the interaction system, the equivalent SDF model, and a SDF system with the same natural frequency as the interaction structure. A study of a wide range of parameters under earthquake-type disturbances establishes that, for the interaction systems considered, interstory displacements are reduced in relation to a SDF system with identical fundamental frequency and interstory damping.
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Published In
Journal of the Engineering Mechanics Division
Volume 97 • Issue 5 • October 1971
Pages: 1431 - 1450
Copyright
© 1971 American Society of Civil Engineers.
History
Published in print: Oct 1971
Published online: Feb 3, 2021
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Authors
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Johann H. Rainer, AM.ASCE
Building Physics Section, Div. of Building Research, National Research Council of Canada, Ottawa, Canada
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.