Evaluation of ground motion scaling methods for analysis of structural systems
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Abstract
Ground motion selection and scaling comprises undoubtedly the most important component of any seismic risk assessment study that involves time-history analysis. Ironically, this is also the single parameter with the least guidance provided in current building codes, resulting in the use of mostly subjective choices in design. The relevant research to date has been primarily on single-degree-of-freedom systems, with only a few studies using multi-degree-of-freedom systems. Furthermore, the previous research is based solely on numerical simulations with no experimental data available for the validation of the results. By contrast, the research effort described in this paper focuses on an experimental evaluation of selected ground motion scaling methods based on small-scale shake-table experiments of re-configurable linear-elastic and nonlinear multi-story building frame structure models. Ultimately, the experimental results will lead to the development of guidelines and procedures to achieve reliable demand estimates from nonlinear response history analysis in seismic design. In this paper, an overview of this research effort is discussed and preliminary results based on linear-elastic dynamic response are presented.
| Publication type | Conference Paper |
|---|---|
| Publication Subtype | Conference Paper |
| Title | Evaluation of ground motion scaling methods for analysis of structural systems |
| ISBN | 9780784411711 |
| DOI | 10.1061/41171(401)265 |
| Year Published | 2011 |
| Language | English |
| Publisher | American Society of Civil Engineers |
| Description | 12 p. |
| Larger Work Title | Structures Congress 2011 - Proceedings of the 2011 Structures Congress |
| First page | 3045 |
| Last page | 3056 |
| Conference Title | Structures Congress 2011 |
| Conference Location | Las Vegas, NV |
| Conference Date | April 14-16, 2011 |
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