New Seismic Vulnerability Index for Vertically Irregular Buildings
Publication: ASCE-ASME Journal of Risk and Uncertainty in Engineering Systems, Part A: Civil Engineering
Volume 4, Issue 3
Abstract
Most international design codes either prohibit construction or recommend alternative seismic analysis and design of vertically irregular building frames, depending on the degree of irregularity and site hazard. However, the irregularity quantifiers recommended by design codes and published literature do not appear to correlate well with the potential for seismic damage. A new parameter, the seismic vulnerability indicator (SVI), is proposed based on the interstory drift ratio damage parameter to indicate the expected seismic risk of any building with single or coupled vertical irregularity. The SVI is computationally simple and found to correlate well with the potential seismic risk of all categories of vertically irregular buildings.
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Acknowledgments
This work was supported by the Department of Science and Technology (Sanction No. SB/FTP/ETA-445/2012) SERB, Government of India.
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Published In
ASCE-ASME Journal of Risk and Uncertainty in Engineering Systems, Part A: Civil Engineering
Volume 4 • Issue 3 • September 2018
Copyright
©2018 American Society of Civil Engineers.
History
Received: Sep 15, 2017
Accepted: Jan 11, 2018
Published online: Apr 30, 2018
Published in print: Sep 1, 2018
Discussion open until: Sep 30, 2018
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