Distributed Strain Measurement along a Concrete Beam via Stimulated Brillouin Scattering in Optical Fibers | Zendy

Romeo Bernini | Zendy; Aldo Minardo | Zendy; S Ciaramella | Zendy; Vincenzo Minutolo | Zendy; Luigi Zeni | Zendy

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Distributed Strain Measurement along a Concrete Beam via Stimulated Brillouin Scattering in Optical Fibers

Author(s) -

Romeo Bernini,

Aldo Minardo,

S Ciaramella,

Vincenzo Minutolo,

Luigi Zeni

Publication year - 2011

Publication title -

international journal of geophysics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.253

H-Index - 19

eISSN - 1687-8868

pISSN - 1687-885X

DOI - 10.1155/2011/710941

Subject(s) - brillouin scattering , optical fiber , materials science , structural health monitoring , beam (structure) , distributed acoustic sensing , brillouin zone , fiber optic sensor , strain (injury) , tension (geology) , optics , scattering , fiber , composite material , compression (physics) , optoelectronics , physics , medicine

The structural strain measurement of tension and compression in a 4 m long concrete beam was demonstrated with a distributed fiber-optic sensor portable system based on Brillouin scattering. Strain measurements provided by the fiber-optic sensor permitted to detect the formation of a crack in the beam resulting from the external applied load. The sensor system is valuable for structural monitoring applications, enabling the long-term performance and health of structures to be efficiently monitored

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