2003年10月15日 · This paper provides an overview of the intensity modulated and spectrometric fiber optic sensors and techniques to assess the condition of existing structures in order to …

2003年11月1日 · This paper provides an overview of the intensity modulated and spectrometric fiber optic sensors and techniques to assess the condition of existing structures in order to …

the µm/m strain range, the fiber optic method applied here facilitates a long-term monitoring using the sensors implemented into the bridge structure. In contrast to the permanently installed …

The tests were performed by a portable prototype instrument exploiting stimulated Brillouin scattering in optical fibers for deformation and temperature measurements. The optical fiber …

This paper provides an overview of the intensity modulated and spectrometric fiber optic sensors and techniques to assess the condition of existing structures in order to enhance the durability...

2023年8月29日 · Distributed fiber optic sensing (DFOS) is a well-established technique for monitoring slow strain changes of structures. However, until recently such methods were not …

1997年1月1日 · Fiber-optic Bragg grating strain sensors hold a great deal of potential for structural monitoring because of their exceptional stability and demonstrated potential for long …

Three phases of the bridge life were monitored: concreting and thermal shrinkage, load test with heavy trucks and long term deformations. This contribution presents the fiber optic sensor …

Fabry-Perot sensors are available to provide local strain measurements, but SOFO sensors can provide a very accurate and reliable measurement of the relative displacement of any two …

1997年1月1日 · Fibre Bragg grating (FBG) sensors have emerged as a reliable, in situ, non-destructive tool for monitoring, diagnostics and control in civil structures. The versatility of FBG …