Dynamic Behavior of Taipei 101 Tower: Field Measurement and Numerical Analysis
Publication: Journal of Structural Engineering
Volume 137, Issue 1
Abstract
This paper presents selected results measured from a monitoring system with 30 accelerometers installed at six floor levels in 508-m high Taipei 101 Tower located in Taipei City, Taiwan where earthquakes and strong typhoons are common occurrences. Emphasis is placed on analyzing the data recorded during three typhoons (Matsa, Talim, and Krosa) and a seismic event (Wenchuan earthquake occurred on May 12, 2008 in Shichuan, China) to investigate the effects of wind and seismic on the supertall building. Dynamic characteristics of the tall building such as natural frequencies, mode shapes, and damping ratios determined from the measured data are presented and compared with those calculated from the finite-element model of the high-rise structure. The seismic performance of this supertall building to a long distance earthquake (Wenchuan earthquake) is assessed based on the field measurements and numerical analysis. The findings of this study are expected to be of considerable interest and practical use to professionals and researchers involved in the design of supertall buildings.
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Acknowledgments
This work described in this paper was supported by a grant from the Research Grants Council of Hong Kong Special Administrative Region, China (Project No: UNSPECIFIEDCityU 116906). The writers are grateful to the owners and the management officials of Taipei 101 Tower for their supports and helps to the structural monitoring project. The writers wish to acknowledge the joint efforts of the staffs of the Central Weather Bureau of Taiwan who were involved in the establishment and development of the monitoring system. Thanks are due to Dr. Hong Fan for her contributions on the establishment of the FE model of Taipei 101 Tower.
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Information & Authors
Information
Published In
Journal of Structural Engineering
Volume 137 • Issue 1 • January 2011
Pages: 143 - 155
Copyright
© 2011 ASCE.
History
Received: Dec 23, 2009
Accepted: Jun 6, 2010
Published online: Jun 15, 2010
Published in print: Jan 2011
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