Correlation between parameters of pulse-type motions and damage of low-rise RC frames

Cao, Vui Van and Ronagh, Hamid Reza (2014) Correlation between parameters of pulse-type motions and damage of low-rise RC frames. Earthquakes and Structures, 7 3: 365-384. doi:10.12989/eas.2014.7.3.365

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Author Cao, Vui Van
Ronagh, Hamid Reza
Title Correlation between parameters of pulse-type motions and damage of low-rise RC frames
Journal name Earthquakes and Structures
ISSN 2092-7614
2092-7622
Publication date 2014-09
Sub-type Article (original research)
DOI 10.12989/eas.2014.7.3.365
Open Access Status
Volume 7
Issue 3
Start page 365
End page 384
Total pages 20
Place of publication Daejeon, Korea
Publisher Techno-Press
Collection year 2015
Language eng
Abstract The intensity of a ground motion can be measured by a number of parameters, some of which might exhibit robust correlations with the damage of structures subjected to that motion. In this study, 204 near-fault pulse-type records are selected and their seismic parameters are determined. Time history and damage analyses of a tested 3-storey reinforced concrete frame representing for low-rise reinforced concrete buildings subjected to those earthquake motions are performed after calibration and comparison with the available experimental results. The aim of this paper is to determine amongst several available seismic parameters, the ones that have strong correlations with the structural damage measured by a damage index and the maximum inter-story drift. The results show that Velocity Spectrum Intensity is the leading parameter demonstrating the best correlation, followed by Housner Intensity, Spectral Acceleration and Spectral Displacement. These seismic parameters are recommended as reliable parameters of near-fault pulse-type motions related to damage potential of low-rise reinforced concrete structures. The results also reaffirm that the conventional and widely used parameter of Peak Ground Acceleration does not exhibit a good correlation with the structural damage.
Keyword Near-fault pulse-type motion
Correlation
Seismic parameter
Damage index
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Civil Engineering Publications
Official 2015 Collection
 
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Created: Wed, 25 Mar 2015, 10:12:15 EST by Jeannette Watson on behalf of School of Civil Engineering