Published in: فصلنامه زمین شناسی مهندسی، دوره: 11، شماره: 3
COI code: JR_JEG-11-3_003
Paper Language: English
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Authors Correlations between Spectral Parameters of Earthquakes and Damage Intensity in Different RC FramesAli Massumi - Faculty of Engineering, Department of Civil Engineering, Kharazmi University
Maryam Rahmati Selkisari - Faculty of Engineering, Department of Civil Engineering, Kharazmi University
Abstract:In recent decades many researchers have studied on the damage assessment of structures after a seismic event. To assess the damage of structures under an earthquake, it is so important to study the correlations between earthquake parameters and damages of the structures. A lot of seismic parameters have been defined by researchers to characterize an earthquake. Spectral parameters of an earthquake convey a variety of information about ground motion, so they can properly characterize an earthquake. Also a lot of damage indices were proposed by researchers to quantify the damage of the structures or to rank their vulnerability relative to each other. Park-Ang index is one of the best indices to describe the damage of a structure. In this paper, the correlations between spectral parameters of earthquakes and Park-Ang indices are studied. Three RC frames with different height are analyzed under far-fault earthquake records by nonlinear dynamic analyses. The correlations between spectral parameters and Park-Ang indices of the frames are calculated. The results show that in all the frames most of spectral parameters have strong correlations with damage intensity. In order to estimate the damage potential of an earthquake, some spectral parameters which have high correlations with damage intensity can be proper indices. Housner intensity, acceleration spectrum intensity and velocity spectrum intensity are shown to have strong correlations with damage intensity. In this paper, a new spectral parameter which has high correlation with damage intensity is achieved.
Keywords:Spectral parameters, Damage intensity, Park-Ang index, Correlation coefficient
COI code: JR_JEG-11-3_003
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Massumi, Ali & Maryam Rahmati Selkisari, 2017, Correlations between Spectral Parameters of Earthquakes and Damage Intensity in Different RC Frames, Journal of Engineering Geology 11 (3), https://www.civilica.com/Paper-JR_JEG-JR_JEG-11-3_003.htmlInside the text, wherever referred to or an achievement of this article is mentioned, after mentioning the article, inside the parental, the following specifications are written.
First Time: (Massumi, Ali & Maryam Rahmati Selkisari, 2017)
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Type: state university
Paper No.: 9241
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