Structural Engineering and Mechanics

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Sensitivity analysis of mechanical behaviors for bridge damage assessment

  • Miyamoto, Ayaho (Graduate School of Science & Engineering, Yamaguchi University) ;
  • Isoda, Satoshi (Graduate School of Science & Engineering, Yamaguchi University)
  • Received : 2010.12.07
  • Accepted : 2012.02.01
  • Published : 2012.02.25
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Abstract

The diagnosis of bridge serviceability is carried out by a combination of in-situ visual inspection, static and dynamic loading tests and analyses. Structural health monitoring (SHM) using information technology and sensors is increasingly being used for providing a better estimate of structural performance characteristics rather than above traditional methods. Because the mechanical behavior of bridges with various kinds of damage can not be made clear, it is very difficult to estimate both the damage mode and degree of damage of existing bridges. In this paper, the sensitivity of both static and dynamic behaviors of bridges are studied as a measure of damage assessment through experiments on model bridges induced with some specified artificial damages. And, a method of damage assessment of bridges based on those behaviors is discussed in detail. Finally, based on the results, a possible application for structural health monitoring systems for existing bridges is also discussed.

Keywords

References

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