Performance of a Highway Bridge under Extreme Natural Hazards: Case Study on Bridge Performance during the 2009 Typhoon Morakot
Publication: Journal of Performance of Constructed Facilities
Volume 28, Issue 1
Abstract
This paper presents a case study on monitoring bridge performance under an extreme rainfall event, Typhoon Morakot, which invaded Taiwan on August 8, 2009. An advanced monitoring system was designed in an attempt to improve the efficiency of performance monitoring of bridge substructures during natural hazards by synchronizing various instrumentations, including accelerometers and inclinometers. It successfully recorded the performance of the Shi-Tzou Bridge during Morakot. Progress of this study provides not only verification of the developed intelligent monitoring system but also of the valuable performance data for engineers to access bridge performance under scour and floods conditions.
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Acknowledgments
The authors thank Professor Cheng Hsin Chen at National Taiwan University and Mr. Jack Lai for their great support for this study. Joint research funding support by Accuracy Inc., Taiwan, the Highway Directorate General of Taiwan, and National Taiwan University of Science and Technology are greatly appreciated.
References
Lee, W. F., Ishihara, K., and Chen, C. H. (2010). “Performance of bridge foundations under extreme natural hazards.” Proc., Bangladesh Geotechnical Conf. 2010, Natural Hazards and Countermeasures in Geotechnical Engineering, Bangladesh Geotechnical Society, Dhaka, Bangladesh, 67–74.
Lee, W. F., Ishihara, K., and Chen, C. H. (2011). “Performance of bridge foundations under extreme natural hazards: A case study of bridge damages during 2009 Typhoon Morakot.” Chapter 11, Geo-hazards, geotechnics and earthquake geotechnics towards global sustainability, Springer, 191–213.
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Published In
Journal of Performance of Constructed Facilities
Volume 28 • Issue 1 • February 2014
Pages: 49 - 60
Copyright
© 2014 American Society of Civil Engineers.
History
Received: Mar 23, 2012
Accepted: Oct 30, 2012
Published online: Nov 3, 2012
Published in print: Feb 1, 2014
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