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General Information
Editor-in-chief
Prof. T. Hikmet Karakoc
Anadolu University, Faculty of Aeronautics and Astronautics, Turkey

IJET 2014 Vol.6(6): 476-480 ISSN: 1793-8236
DOI: 10.7763/IJET.2014.V6.744

Inelastic Versus Elastic Displacement-Based Intensity Measures for Seismic Analysis

L. Lin and Y. L. Gao
Abstract—Intensity measure (IM) is a parameter that is used to scale the records for the time-history analysis of a structure subjected to seismic loads. It is well known that the accuracy of the seismic response of the structure depends very much on IM. This paper presents a study on the use of the inelastic displacement as IM for the nonlinear time-history analysis. For the purpose of the study, three reinforced concrete moment-resisting frame buildings (4-, 10-, and 16-storey high) designed for Vancouver, Canada were used in the analysis. The buildings were subjected to the total number of 40 records scaled to five intensity levels which represent a global ductility of 1 to 5. Based on the results from the analysis, it was found out that the inelastic displacement does not have advantage over the elastic displacement (or the spectral acceleration) as IM.

Index Terms—Dispersion, elastic displacement, inelastic displacement, intensity measure.

The authors are with Concordia University, Canada (e-mail: lan.lin@concordia.ca, gaoyuling1119@hotmail.com).

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Cite: Inelastic Versus Elastic Displacement-Based Intensity Measures for Seismic Analysis, "L. Lin and Y. L. Gao," International Journal of Engineering and Technology vol. 6, no. 6, pp. 476-480, 2014.

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