The science, engineering applications, and policy implications of simulation-based PSHA
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Abstract
We summarize scientific methods for developing probabilistic seismic hazard assessments from 3-D earthquake ground motion simulations, describe current use of simulated ground motions for engineering applications, and discuss on-going efforts to incorporate these effects in the U.S. national seismic hazard model. The 3-D simulations provide important, additional information about earthquake ground-shaking, which is critical to proper characterization of potential ground motions. Example uses of these simulations for engineering applications provide alternative approaches to introducing the effects of deep basins on long-period ground motions into design requirements. In Seattle, Washington tall building design includes requirements for accounting for the effect of the Seattle basin, and one method for including this effect relies upon local 3-D simulations. In Los Angeles, California a working group of scientists and engineers is advancing the use of local 3-D simulations for local building codes. In light of the benefit to ground motion characterization from the use of 3-D simulations, similar efforts are underway for national-scale seismic hazard analyses, which seek to make use of the extensive work applied from local efforts; current methods for incorporating these effects on a national-scale are presented.
| Publication type | Conference Paper |
|---|---|
| Publication Subtype | Conference Paper |
| Title | The science, engineering applications, and policy implications of simulation-based PSHA |
| Year Published | 2018 |
| Language | English |
| Publisher | Earthquake Engineering Research Institute |
| Contributing office(s) | Earthquake Science Center, Geologic Hazards Science Center |
| Description | 10 p. |
| Larger Work Type | Conference Paper |
| Larger Work Subtype | Conference Paper |
| Larger Work Title | Eleventh United States national conference on earthquake engineering |
| Conference Title | Eleventh U.S. national conference on earthquake engineering |
| Conference Location | Los Angeles, CA |
| Conference Date | June 25-29, 2016 |
| Google Analytic Metrics | Metrics page |