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Title: Ultrasonic guided waves propagation analysis under different load tension levels in multi-wire cables
Authors: Peces, SM
Livadas, M
Selcuk, C
Gan, TH
Mares, C
Issue Date: 2016
Publisher: The British Institute of Non-Destructive Testing (BINDT)
Citation: 13th International Conference on Condition Monitoring and Machinery Failure Prevention Technologies, CM 2016/MFPT, 10-12 October 2016, Paris, France, 2016
Abstract: Power line structures made of multi-wire cables are normally subject to adverse environmental conditions that can affect their integrity. The applicability of several techniques has been studied as a possible structural health monitoring solution. Amongst these, Ultrasonic Guided Waves have shown great potential. The complex geometry of the multi-element cable structures complicates the waves’ propagation behaviour and therefore the signal analysis, making the monitoring of the structural integrity of the cables a challenging task. This research presents the enhancements obtained through the use of a specially designed multiple transducer collar for the inspection of the wires. The waves’ excitation capabilities of the system are experimentally evaluated under different axial unload and load tension levels. The influence of these conditions on wave propagation is analysed. The results show the technique’s long range capabilities as well as its limitations and will thereby contribute towards the design of a future structural health monitoring system.
Appears in Collections:Dept of Mechanical Aerospace and Civil Engineering Research Papers

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