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Non-destructive Condition Evaluation of Stress in Steel Cable Using Magnetoelastic technology

机译:磁弹性技术在钢缆应力无损评估中的应用

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摘要

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.
机译:本文着重于电磁传感器在桥梁钢缆应力测量中的应用。 EM传感器的校准已得到研究。一种新的方法使该校准过程在实验室或现场完成。介绍了电磁传感器在钱江四桥上的应用,以监测关键吊索和后张索的应力。此外,已经开发了多电磁传感器配置来监视多股电缆系统中的应力。

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