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Two-dimensional, antiplane, building-soil-building interaction for two or more buildings and for incident planet SH waves

Wong, H. L. and Trifunac, M. D. (1975) Two-dimensional, antiplane, building-soil-building interaction for two or more buildings and for incident planet SH waves. Bulletin of the Seismological Society of America, 65 (6). pp. 1863-1885. ISSN 0037-1106. http://resolver.caltech.edu/CaltechAUTHORS:20140915-133345147

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Abstract

Two-dimensional SH-type vibration of several shear walls erected on an elastic, homogeneous, half-space has been studied. The choice of the cylindrical coordinate system, suitable for analysis of rigid foundations with semi-circular cross section, has lead to the exact infinite series solution, which is ideal for the analysis of the physical nature of this problem and its dependence on several key parameters. It has been shown that the presence of neighboring buildings may change the nature of the single soil-structure interaction problem appreciably and that scattering, diffraction, and interference of waves from and around several foundations with the incident SH waves can lead to significant shielding, as well as amplification of input motion for any of the buildings in a group. The effects of relative size of two, three and several foundations and their separation distances have been studied and presented in some detail.


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Additional Information:© 1975 Seismological Society of America. Manuscript received November 11, 1974. We are indebted to P. C. Jennings and J. E. Luco for critical reading of the manuscript. We thank J. E. Luco for valuable comments and discussion which lead to significant improvements of this paper. This research was supported by grants from the National Science Foundation and the Earthquake Research Affiliates Program at the California Institute of Technology.
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Record Number:CaltechAUTHORS:20140915-133345147
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20140915-133345147
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Deposited By: Tony Diaz
Deposited On:15 Sep 2014 21:20
Last Modified:15 Sep 2014 21:20

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