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The importance of dense monitoring of long-span bridges for its performance re-evaluation

The importance of dense monitoring of long-span bridges for its performance re-evaluation
Author(s): , , ORCID
Presented at 17th IABSE Congress: Creating and Renewing Urban Structures – Tall Buildings, Bridges and Infrastructure, Chicago, USA, 17-19 September 2008, published in , pp. 246-247
DOI: 10.2749/222137908796292515
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Monitoring of structures is expected to offer rich information on structural performance evaluation. While the performance of existing structures may differ from their designs, monitoring of dynami...
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Bibliographic Details

Author(s):

ORCID
Medium: conference paper
Language(s): English
Conference: 17th IABSE Congress: Creating and Renewing Urban Structures – Tall Buildings, Bridges and Infrastructure, Chicago, USA, 17-19 September 2008
Published in:
Page(s): 246-247 Total no. of pages: 8
Page(s): 246-247
Total no. of pages: 8
Year: 2008
DOI: 10.2749/222137908796292515
Abstract:

Monitoring of structures is expected to offer rich information on structural performance evaluation. While the performance of existing structures may differ from their designs, monitoring of dynamic behaviors potentially provides indications of how close or far the performance is to the designs and unexpected differences that might be important to the safety. In this paper, monitoring of two bridges in Japan as well as dynamic and structural analyses of the monitoring data is presented. Ambient vibration and seismic response records are utilized in performance evaluation of these bridges. The dense sensor instrumentation on the bridges and long-term monitoring provides exceptional opportunities to obtain insight into the behaviors of the bridges and performance of their components.

Keywords:
health monitoring long-span bridges instrumented bridges vibration-based structural assessment