Structure-specific scalar intensity measures for near-source and ordinary earthquake ground motions
Earthquake Spectra
By: N. Luco and C.A. Cornell
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Abstract
Introduced in this paper are several alternative ground-motion intensity measures (IMs) that are intended for use in assessing the seismic performance of a structure at a site susceptible to near-source and/or ordinary ground motions. A comparison of such IMs is facilitated by defining the "efficiency" and "sufficiency" of an IM, both of which are criteria necessary for ensuring the accuracy of the structural performance assessment. The efficiency and sufficiency of each alternative IM, which are quantified via (i) nonlinear dynamic analyses of the structure under a suite of earthquake records and (ii) linear regression analysis, are demonstrated for the drift response of three different moderate- to long-period buildings subjected to suites of ordinary and of near-source earthquake records. One of the alternative IMs in particular is found to be relatively efficient and sufficient for the range of buildings considered and for both the near-source and ordinary ground motions. ?? 2007, Earthquake Engineering Research Institute.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Structure-specific scalar intensity measures for near-source and ordinary earthquake ground motions |
| Series title | Earthquake Spectra |
| DOI | 10.1193/1.2723158 |
| Volume | 23 |
| Issue | 2 |
| Year Published | 2007 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Earthquake Spectra |
| First page | 357 |
| Last page | 392 |
| Google Analytic Metrics | Metrics page |