NEHRP Clearinghouse
- Title
- Centrifugal Modeling of Dynamic Soil-Structure Interaction.
- File
- PB90207879.pdf
- Author(s)
- Weissman, K.; Prevost, J. H.
- Source
- National Science Foundation, Washington, DC., May 10, 1989, 152 p.
- Identifying Number(s)
- NCEER-89-0040
- Abstract
- A centrifuge model is presented that is capable of realistically representing soil-structure systems subjected to earthquake-like excitation. The model system is characterized by performing free field experiments, scattered field experiments, and a preliminary soil-structure interaction experiment. Next, an experimental study of radiation damping and soil-structure interaction effects is performed which show that the centrifuge system is capable of modeling soil-structure interaction phenomena such as radiation damping. Finally, the experimental results are used to compute the damping and stiffness values of a two degree of freedom piecewise linear numerical model of the soil-structure systems. The research is in the report results in establishing the centrifuge model as a useful and realistic tool for the validation and future development of soil-structure interaction theory.
- Keywords
- Centrifuges; Damping; Model tests; Earthquake engineering; System identification; Simulation; Two degrees of freedom; Soil-structure interactions; Seismic effects