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9 April 2010 Monitoring system of arch bridge for safety network management
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Abstract
Korea has constructed the safety management network monitoring test systems for the civil infrastructure since 2006 which includes airport structure, irrigation structure, railroad structure, road structure, and underground structure. Bridges among the road structure include the various superstructure types which are Steel box girder bridge, suspension bridge, PSC-box-girder bridge, and arch bridge. This paper shows the process of constructing the real-time monitoring system for the arch bridge and the measured result by the system. The arch type among various superstructure types has not only the structural efficiency but the visual beauty, because the arch type superstructure makes full use of the feature of curve. The main measuring points of arch bridges composited by curved members make a difference to compare with the system of girder bridges composited by straight members. This paper also shows the method to construct the monitoring system that considers the characteristic of the arch bridge. The system now includes strain gauges and thermometers, and it will include various sensor types such as CCTV, accelerometers and so on additionally. For the long term and accuracy monitoring, the latest optical sensors and equipments are applied to the system.
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Bong Chul Joo, Young Jun Yoo, Chin Hyung Lee, Ki Tae Park, and Yoon Koog Hwang "Monitoring system of arch bridge for safety network management", Proc. SPIE 7650, Health Monitoring of Structural and Biological Systems 2010, 76503F (9 April 2010); https://doi.org/10.1117/12.847274
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