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Structural Engineering and Mechanics
  Volume 25, Number 5, March30 2007, pages 577-596
DOI: http://dx.doi.org/10.12989/sem.2007.25.5.577
 


Applications of fiber optic sensors in civil engineering
Lu Deng and C.S. Cai

 
Abstract
    Recent development of fiber optic sensor technology has provided an excellent choice for civil engineers for performance monitoring of civil infrastructures. Fiber optic sensors have the advantages of small dimensions, good resolution and accuracy, as well as excellent ability to transmit signal at long distances. They are also immune to electromagnetic and radio frequency interference and may incorporate a series of interrogated sensors multiplexed along a single fiber. These advantages make fiber optic sensors a better method than traditional damage detection methods and devices to some extent. This paper provides a review of recent developments in fiber optic sensor technology as well as some applications of fiber optic sensors to the performance monitoring of civil infrastructures such as buildings, bridges, pavements, dams, pipelines, tunnels, piles, etc. Existing problems of fiber optic sensors with their applications to civil structural performance monitoring are also discussed.
 
Key Words
    fiber optic sensors; performance monitoring; civil infrastructure; damage detection.
 
Address
Dept. of Civil and Environmental Engineering, Louisianan State University, Baton Rouge, LA 70803, USA
 

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