Non-Destructive Testing Methods for Cables of Cable Supported Structures – Practical Experiences

Abstract

<p>DMT’s Rope Testing Centre – a laboratory for non-destructive and destructive testing and part of TÜV NORD GROUP - has long-time experience in the inspection of steel wire ropes and cables in varying applications. DMT provides different non-destructive testing (NDT) methods, which allow a more detailed evaluation of the inner condition of the cables compared to only visual inspection. Ultrasonic testing (UT) at cable end connections is a very effective NDT method which is executed regularly by DMT experts. Another NDT method suitable to inspect the free length of stay or hanger cables is magnetic rope testing (MRT). Starting in 1931 with MRT on steel wire ropes, DMT has since then continuously developed and optimized this testing method and gained extensive operating skills.</p>