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16 March 2006 Non-destructive condition evaluation of stress in steel cable using magnetoelastic technology
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Abstract
This paper is focus on the applications of EM sensor in stress measurement for steel cables used in bridges. The calibration of the EM sensors has been investigated. A new methodology makes this calibration process done either in the laboratory or in the field. Application of EM sensors on QianJiang No.4 Bridge to monitor the stresses of key hanger cables and post-tensioned cables is presented. Furthermore, a multi-EM sensor configuration has been developed to monitor the stress in a multi-strand-cable system.
© (2006) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Y. Zhao and M. L. Wang "Non-destructive condition evaluation of stress in steel cable using magnetoelastic technology", Proc. SPIE 6178, Nonintrusive Inspection, Structures Monitoring, and Smart Systems for Homeland Security, 617802 (16 March 2006); https://doi.org/10.1117/12.661589
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