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16 March 2006Non-destructive condition evaluation of stress in steel cable using magnetoelastic technology
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.
Y. Zhao andM. 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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Y. Zhao, 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