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Remote health monitoring system for the Dafosi Yangtze River Bridge
Dafosi Yangtze River Bridge, completed in August 2001, 1,176 meters long, with the longest main span of 450 meters in Asia in its design period, is one of the key projects of Yu-Qian Expressway and Out-Circle Ring and Round City Highway in Chongqing City. So it is significative to monitor the health of Dafosi Yangtze River Bridge after its completion. A remote health monitoring system is designed for Dafosi Yangtze River Bridge and implemented in the end of 2002. This system includes three subsystems, namely, sensing subsystem, local monitoring subsystem and remote monitoring subsystem. The sensing subsystem can gain the state information of the bridge via sensors, which installed in the key parts of the bridge, such as the fiber-optic strain sensors, the opto-electronic deflection sensors and the temperature sensors. Local sub-system can control all the sensors to collect health information periodically, store and transmit the health data to the remote subsystem via fiber cable. The remote subsystem can analyze and evaluate the health state of this bridge. In this paper, the whole system is introduced, and some monitoring results are presented.
Remote health monitoring system for the Dafosi Yangtze River Bridge
Dafosi Yangtze River Bridge, completed in August 2001, 1,176 meters long, with the longest main span of 450 meters in Asia in its design period, is one of the key projects of Yu-Qian Expressway and Out-Circle Ring and Round City Highway in Chongqing City. So it is significative to monitor the health of Dafosi Yangtze River Bridge after its completion. A remote health monitoring system is designed for Dafosi Yangtze River Bridge and implemented in the end of 2002. This system includes three subsystems, namely, sensing subsystem, local monitoring subsystem and remote monitoring subsystem. The sensing subsystem can gain the state information of the bridge via sensors, which installed in the key parts of the bridge, such as the fiber-optic strain sensors, the opto-electronic deflection sensors and the temperature sensors. Local sub-system can control all the sensors to collect health information periodically, store and transmit the health data to the remote subsystem via fiber cable. The remote subsystem can analyze and evaluate the health state of this bridge. In this paper, the whole system is introduced, and some monitoring results are presented.
Remote health monitoring system for the Dafosi Yangtze River Bridge
Fu, Yumei (author) / Zhu, Yong (author) / Chen, Weimin (author) / Huang, Shanglian (author)
Smart Structures and Materials 2004: Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems ; 2004 ; San Diego,CA,United States
Proc. SPIE ; 5391
2004-07-29
Conference paper
Electronic Resource
English
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