by C. Poland, J. Soulages,
J. Sun and L. Mejia
February 2000, 99 pp.
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This research investigates the effects of soil-structure interaction (SSI) for regular
buildings, validate current analysis techniques, and investigate the degree to which SSI
contributes to the code based R factor for a variety of building and soil conditions. The
research includes the analysis of strong-motion records for 11 CSMIP building/free field
pairs to investigate the reduction in building response due to soil-structure interaction.
The research also includes SSI analyses using the FLUSH computer program for four
CSMIP buildings sites, comparison of recorded with model response, and comparison of
the predicted base shear reduction using FLUSH and ATC 3-06 to the actual reduction