Spatially continuous fully distributed microwave-photonic and coaxial cable sensors for structural health monitoring
by Baokai Cheng; Liwei Hua; Wenge Zhu; Hai Xiao
International Journal of Sustainable Materials and Structural Systems (IJSMSS), Vol. 3, No. 2, 2018

Abstract: This report summarises our recent research progresses in developing new distributed sensing technologies for structural health monitoring (SHM) based on the new microwave-photonic and coaxial cable platforms. The two new platforms have the combined advantages of high measurement resolution, large strain capability, long span of coverage, easy-to-install/embed, spatial continuity (no dark zones), and flexible gauge lengths. The new distributed sensing technology may bring a revolutionary tool to address a number of insufficiently-studied areas in SHM, such as distributed monitoring of cracks and corrosion, post seismic monitoring to ensure mission-critical services in disaster responses and emergency evacuations, study of the progressive structural failures/collapses under extreme loads, and high performance smart structures.

Online publication date: Thu, 14-Feb-2019

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