Non-Destructive Testing of Steel Wire Rope Transmission Area to Rope End by Magnetic Flux Leakage

Abstract

At present the need of nondestructive testing of rope bridges state appears often. Modern maintenance trends using non-destructive checking allow to detect the state of these materials in service without breaking their integrity. From the point of view of so far used non-destructive testing methods the area of cable end is not accessible. The magnetic properties research of these materials and the subsequent design of new structures for scanning elements will enable non-destructive monitoring of the state of the ropes steel material of static constructions, especially their anchoring. The article aims to present the results from tracking of the magnetic flux around the cable end and signal runs from particular designed and investigated scanning elements placed above artificial defects created closely to the cable end.

Recognition of Broken Wire Rope Based on Remanence using EEMD and Wavelet Methods

“…This device can effectively obtain the information of the circumferential MFL distribution, but the Signal-to-Noise Ratio (SNR) of the collected signal is low. Peterka et al [ 14 ] presented the results obtained by tracking the magnetic flux around the cable end and the signal runs from a particular design. Additionally, they investigated scanning elements placed above artificial defects created close to the cable end.…”