A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Research on Long-Term Monitoring and Evaluating System for Wuhu Yangtze River Bridge
The installing and debugging of a bridge monitoring system has been finished on the Wuhu Yangtze River Bridge in China in 2004. The system consists of strain sensors, acceleration instruments, displacement transducers, and other testing instruments which are all installed at selected locations across the bridge. The objective is to do safety evaluation for fatigue, vibration, and deformation of the bridge in operation. The Wuhu Yangtze River Bridge was constructed in 2000. It is a stayed-cable bridge with the use of both highway and railway. The fly-past configuration of the main crossing is 180m + 312m + 180m. The stiffening girder is a truss made of welded steel plates of H style and box style sections with thickness of up to 44mm. The top chord of the steel truss is made composite with the concrete deck. The monitoring system continuously records traffic-induced strains and transfers the data into stress spectrums. The structural details for fatigue evaluation include various welded details in truss members as well as in cross beams and longitudinal stringers in tension regions. Connections between the stayed cables and the floor system are also instrumented. Various features have been developed in the data processing software for satisfying specific needs of fatigue analysis. This is a key research project sponsored by the China Railway Ministry. The objective is to develop an effective and safe monitoring system and evaluating method to be applied to other extra-long bridges in China.
Research on Long-Term Monitoring and Evaluating System for Wuhu Yangtze River Bridge
The installing and debugging of a bridge monitoring system has been finished on the Wuhu Yangtze River Bridge in China in 2004. The system consists of strain sensors, acceleration instruments, displacement transducers, and other testing instruments which are all installed at selected locations across the bridge. The objective is to do safety evaluation for fatigue, vibration, and deformation of the bridge in operation. The Wuhu Yangtze River Bridge was constructed in 2000. It is a stayed-cable bridge with the use of both highway and railway. The fly-past configuration of the main crossing is 180m + 312m + 180m. The stiffening girder is a truss made of welded steel plates of H style and box style sections with thickness of up to 44mm. The top chord of the steel truss is made composite with the concrete deck. The monitoring system continuously records traffic-induced strains and transfers the data into stress spectrums. The structural details for fatigue evaluation include various welded details in truss members as well as in cross beams and longitudinal stringers in tension regions. Connections between the stayed cables and the floor system are also instrumented. Various features have been developed in the data processing software for satisfying specific needs of fatigue analysis. This is a key research project sponsored by the China Railway Ministry. The objective is to develop an effective and safe monitoring system and evaluating method to be applied to other extra-long bridges in China.
Research on Long-Term Monitoring and Evaluating System for Wuhu Yangtze River Bridge
Dai, Fuzhong (author) / Ke, Zaitian (author) / Zhang, Yuling (author) / Rong, Zhenhuan (author) / Gao, Yan (author) / Zhang, Zhiyi (author)
Structures Congress 2005 ; 2005 ; New York, New York, United States
Structures Congress 2005 ; 1-8
2005-04-18
Conference paper
Electronic Resource
English
Research on Long-Term Monitoring and Evaluating System for Wuhu Yangtze River Bridge
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