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Structural Engineering and Mechanics
  Volume 8, Number 1, July 1999 , pages 53-72
DOI: https://doi.org/10.12989/sem.1999.8.1.053
 


Stochastic analysis of seismic structural response with soil-structure interaction
Sarkani S, Lutes LD, Jin S, Chan C

 
Abstract
    The most important features of linear soil-foundation-structure interaction are reviewed, using stochastic modeling and considering kinematic interaction, inertial interaction, and structural distortion as three separate stages of the dynamic response to the free-field motion. The way in which each of the three dynamic stages modifies the spectral density of the motion is studied, with the emphasis being on interpretation of these results, rather than on the development of new analysis techniques. Structural distortion and inertial interaction analysis are shown to be precisely modeled as linear filtering operations. Kinematic interaction, though, is more complicated, even though it has a filter-like effect on the frequency content of the motion.
 
Key Words
    filtering, seismic, soil-structure interaction, stochastic models, transfer functions
 
Address
Sarkani S, George Washington Univ, Sch Engn & Appl Sci, Washington, DC 20052 USA
George Washington Univ, Sch Engn & Appl Sci, Washington, DC 20052 USA
Texas A&M Univ, Dept Civil Engn, College Stn, TX 77843 USA
Haynes Whaley Associates Inc, Houston, TX USA
 

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