Assessment of Ground Motion Selection and Modification (GMSM) Methods for Non-Linear Dynamic Analyses of Structures
Publication: Geotechnical Earthquake Engineering and Soil Dynamics IV
Abstract
As non-linear response history analyses are becoming more prevalent in practice, there is a need to better understand how the selection and modification (e.g., amplitude scaling or spectrum matching) of records will influence the resulting structural response predictions. There are currently many methods of ground motion selection and modification available, but little guidance is available to engineers on which methods are appropriate for their specific application. The Ground Motion Selection and Modification Program was formed within the Pacific Earthquake Engineering Research (PEER) Center to address this issue. This paper presents the current methodology developed by the Program as well as sample results from the first pilot study completed in 2006. Preliminary results show that for a first-mode-dominated structure, one can improve the prediction of its response by taking into account record properties that are important to the non-linear response of the building when selecting and scaling ground motion records.
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© 2008 American Society of Civil Engineers.
History
Published online: Jun 20, 2012
ASCE Technical Topics:
- Continuum mechanics
- Dynamic structural analysis
- Dynamics (solid mechanics)
- Engineering mechanics
- Environmental engineering
- Fouling
- Geotechnical engineering
- Geotechnical investigation
- Ground motion
- History
- History and Heritage
- Nonlinear analysis
- Nonlinear response
- Practice and Profession
- Solid mechanics
- Structural analysis
- Structural behavior
- Structural dynamics
- Structural engineering
- Structural response
- Waste management
- Waste treatment
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