CLC number: P315
On-line Access:
Received: 2009-03-16
Revision Accepted: 2009-04-08
Crosschecked: 2009-04-09
Cited: 14
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Abbas MOUSTAFA, Izuru TAKEWAKI. Use of probabilistic and deterministic measures to identify unfavorable earthquake records[J]. Journal of Zhejiang University Science A, 2009, 10(5): 619-634.
@article{title="Use of probabilistic and deterministic measures to identify unfavorable earthquake records",
author="Abbas MOUSTAFA, Izuru TAKEWAKI",
journal="Journal of Zhejiang University Science A",
volume="10",
number="5",
pages="619-634",
year="2009",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.A0930001"
}
%0 Journal Article
%T Use of probabilistic and deterministic measures to identify unfavorable earthquake records
%A Abbas MOUSTAFA
%A Izuru TAKEWAKI
%J Journal of Zhejiang University SCIENCE A
%V 10
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%D 2009
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A0930001
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T1 - Use of probabilistic and deterministic measures to identify unfavorable earthquake records
A1 - Abbas MOUSTAFA
A1 - Izuru TAKEWAKI
J0 - Journal of Zhejiang University Science A
VL - 10
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SP - 619
EP - 634
%@ 1673-565X
Y1 - 2009
PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.A0930001
Abstract: This study introduces measures to identify resonant (concentration of energy in a single or a few frequencies) or unfavorable earthquake ground motions. Probabilistic measures based on the entropy rate and the geometric properties of the power spectral density function (PSDF) of the ground acceleration are developed first. Subsequently, deterministic measures for the frequency content of the ground acceleration are also developed. These measures are then used for identifying resonance and criticality in stochastic earthquake models and 110 acceleration records measured at rock, stiff, medium and soft soil sites. The unfavorable earthquake record for a given structure is defined as the record having a narrow frequency content and dominant frequency close to the structure fundamental natural frequency. Accordingly, the measures developed in this study may provide a basis for selecting records that are capable of producing the highest structural response. Numerical verifications are provided on damage caused to structures by identified resonant records.
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Open peer comments: Debate/Discuss/Question/Opinion
<1>
Sophia
2010-01-29 10:43:17
This study develops measures to identify resonance of earthquake ground motions. Usefulness measures!!