The estimation of MDOF nonlinear structural response given an earth-quake of magnitude M at distance R is studied with respect to issues such as the benefits and harms of (1) first scaling the records, (2) selecting records from the “wrong” magnitude, (3) alternative choices for how to scale the records, and (4) scaling records to a significantly higher or lower intensity, etc. We find that properly chosen scaling can reduce the necessity of the number of nonlinear analyses by a factor of about four, and that proper scaling does not introduce any bias. Several global and local nonlinear damage measures are considered. A five-DOF model of a steel structure is used; other cases are under study. The paper finishes with a demonstration of the use of such results in the estimation of the annual probability of exceeding a specified interstory ductility (drift) or other damage measures.
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Research Article|
August 01, 1998
Earthquakes, Records, and Nonlinear Responses
Nilesh Shome;
Nilesh Shome
Department of Civil and Environmental Engineering, Stanford University, Stanford, CA 94305-4020
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C. Allin Cornell, M.EERI;
C. Allin Cornell, M.EERI
Department of Civil and Environmental Engineering, Stanford University, Stanford, CA 94305-4020
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Paolo Bazzurro;
Paolo Bazzurro
Department of Civil and Environmental Engineering, Stanford University, Stanford, CA 94305-4020
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J. Eduardo Carballo
J. Eduardo Carballo
Department of Civil and Environmental Engineering, Stanford University, Stanford, CA 94305-4020
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Nilesh Shome
Department of Civil and Environmental Engineering, Stanford University, Stanford, CA 94305-4020
C. Allin Cornell, M.EERI
Department of Civil and Environmental Engineering, Stanford University, Stanford, CA 94305-4020
Paolo Bazzurro
Department of Civil and Environmental Engineering, Stanford University, Stanford, CA 94305-4020
J. Eduardo Carballo
Department of Civil and Environmental Engineering, Stanford University, Stanford, CA 94305-4020
Publisher: Earthquake Engineering Research Institute
First Online:
01 Jun 2020
Online ISSN: 1944-8201
Print ISSN: 8755-2930
© 1998 Earthquake Engineering Research Institute
Earthquake Engineering Research Institute
Earthquake Spectra (1998) 14 (3): 469–500.
Article history
First Online:
01 Jun 2020
Citation
Nilesh Shome, C. Allin Cornell, Paolo Bazzurro, J. Eduardo Carballo; Earthquakes, Records, and Nonlinear Responses. Earthquake Spectra 1998;; 14 (3): 469–500. doi: https://doi.org/10.1193/1.1586011
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Index Terms/Descriptors
- acceleration
- accelerograms
- attenuation
- building codes
- buildings
- California
- construction materials
- damage
- ductility
- earthquakes
- engineering properties
- ground motion
- magnitude
- numerical models
- peak ground acceleration
- probability
- regulations
- risk assessment
- seismic intensity
- spectra
- spectral analysis
- statistical analysis
- United States
Latitude & Longitude
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