Seismic Retrofit of a Typical School Building Using Column Jacketing and Supplement Beams

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To ensure the safety of students during earthquakes, the Department of Education in Taiwan has been conducting a seismic evaluation and rehabilitation project on elementary and high-school buildings in recent years. In this project, column-jacketing is one of the most frequently used retrofit techniques due to its compatibility with existing building configurations. However, the seismic performance of column-jacketing often falls behind other retrofit techniques such as addition of shear walls. In order to enhance the seismic performance of column-jacketing, the addition of supplemental beams is proposed in this study. Analysis conducted on a typical school building based on nonlinear push-over analysis indicates that such addition could improve the seismic performance of column-jacketing for 38%, which would provide a great enhancement on the seismic safety of the retrofitted building.

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1556-1559

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January 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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