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Earthquakes and Structures Volume 10, Number 3, March 2016 , pages 629-643 DOI: https://doi.org/10.12989/eas.2016.10.3.629 |
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A parametric study on seismic fragility analysis of RC buildings |
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Nagashree B.K., Ravi Kumar C.M. and Venkat Reddy D.
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| Abstract | ||
| Among all the natural disasters, earthquakes are the most destructive calamities since they cause a plenty of injuries and economic losses leaving behind a series of signs of panic. The present study highlights the moment-curvature relationships for the structural elements such as beam and column elements and Non-Linear Static Pushover Analysis of RC frame structures since it is a very simplified procedure of non-linear static analysis. The highly popular model namely Mander´s model and Kent and Park model are considered and then, seismic risk evaluation of RC building has been conducted using SAP 2000 version 17 treating uncertainty in strength as a parameter. From the obtained capacity and demand curves, the performance level of the structure has been defined. The seismic fragility curves were developed for the variations in the material strength and damage state threshold are calculated. Also the comparison of experimental and analytical results has been conducted. | ||
| Key Words | ||
| pushover analysis; moment-curvature relationship; Mander model; Kent and Park model; fragility analysis; damage state thresholds | ||
| Address | ||
| Nagashree B.K., Ravi Kumar C.M.: Department of Civil Engineering, Visvesvaraya Technological University B.D.T College of Engineering, Davangere, Karnataka, 577004, India Venkat Reddy D.: Department of Civil Engineering, National Institute of Technology Karnataka, Surathkal, Mangalore, Karnataka, 575025, India | ||