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Published in:
2021 | OriginalPaper | Chapter
Review of Performance of Existing Vertical Irregularity Indicators for Steel Framed Buildings
Authors : Brij M. Shah, Robin Davis, C. G. Nandakumar, Pradip Sarkar
Published in: Proceedings of SECON 2020
Publisher: Springer International Publishing
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Abstract
Due to architectural compulsions, buildings invite various types of irregularities due to which seismic performance of them is highly affected. With increase in such type of buildings, it is important to know the extent to which an irregularity could be introduced without causing any major damage to the structure. Different kinds of Irregularity indices are used by many previous studies for quantifying the vertical irregularities in buildings. This study discusses about the previous irregularity indicators and an attempt is made to evaluate their effectiveness to predict the seismic risk of irregular buildings. Steel buildings having various kinds of vertical irregularities such as mass, stiffness and/or strength are considered in this study and their seismic risks is evaluated. Pearson r correlation methodology is considered for correlating the irregularity indicators and the associated seismic risks and conclusions are drawn from them.