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Proceedings Paper

Long span bridge health monitoring system in Japan
Author(s): Sunaryo Sumitoro; Yoshimasa Matsui; Masaru Kono; Takuji Okamoto; Katashi Fujii
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Paper Abstract

Health monitoring has been one of particular concerns of the engineering community in Japan. Effective monitoring, reliable data analysis, rational data interpretation and correct decision making are challenging problems for engineers who specialized in bridge monitoring field. In this paper, the status of health monitoring of long-span bridges in Japan is briefly reviewed. The monitoring system was developed to be a reliable device to observe the bridge in earthquake and/or typhoon accurately, besides have a self-check function to sense the disorder of the system itself. Current practices in health monitoring of bridges are represented by the example of Akashi Kaikyo Bridge monitoring system. The reliability of the current monitoring system is confirmed by comparing the analyzed simulation results and field-measured results. Furthermore, a newly developed monitoring system is proposed to provide information for structural health maintenance, so called Monitoring Based Maintenance (MBM). This monitoring system is easily accessible, economically feasible and durable through efforts in development of innovative sensors and new generation of automated remote monitoring technology.

Paper Details

Date Published: 3 August 2001
PDF: 8 pages
Proc. SPIE 4337, Health Monitoring and Management of Civil Infrastructure Systems, (3 August 2001); doi: 10.1117/12.435628
Show Author Affiliations
Sunaryo Sumitoro, Keisoku Research Consultant Co. (Japan)
Yoshimasa Matsui, Keisoku Research Consultant Co. (Japan)
Masaru Kono, Keisoku Research Consultant Co. (Japan)
Takuji Okamoto, Keisoku Research Consultant Co. (Japan)
Katashi Fujii, Univ. of Hiroshima (Japan)

Published in SPIE Proceedings Vol. 4337:
Health Monitoring and Management of Civil Infrastructure Systems
Steven B. Chase; A. Emin Aktan, Editor(s)

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