Real Time Displacement Measurement of Bridge with Image Correlation Method

Yasushi NIITSU; Takaaki IIZUKA

doi:10.11395/jjsem.15.s50

Journal of the Japanese Society for Experimental Mechanics

Print ISSN : 1346-4930
ISSN-L : 1346-4930

Research Article

Real Time Displacement Measurement of Bridge with Image Correlation Method

Yasushi NIITSU, Takaaki IIZUKA

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Keywords: Digital Image Correlation, Displacement Measurement, Real-Time Processing, Bridge Monitoring, High-Speed Camera

JOURNAL FREE ACCESS

2015 Volume 15 Issue Special_Issue Pages s50-s53

DOI https://doi.org/10.11395/jjsem.15.s50

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Abstract

The real-time displacement measuring system with digital image correlation method was developed and the displacements of three road-bridges and a railway-bridge were measured under traffic loaded state. The 2D movement of 32x32 partial image could be traced with better than 0.1-pixel resolution by the digital image correlation method.

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