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Bridge Inspection – Wire Ropes Saved By Robotic MFL

Magnetic Flux Leakage “MFL”  has been used to detect corrosion and pitting in steel structures. MFL is an electromagnetic non-destructive testing method that is proven and has been utilized for years. Infrastructure Preservation Corporation, “IPC” is a non-destructive robotic engineering company that has integrated MFL with robotics and specialized software. 

 

Initially IPC introduced this technology to the Department of Transportation to provide more quantitative data for bridge inspections than ever seen before.

 

The basic principal is that a powerful magnet is used to magnetize the steel. t initially at areas where there is corrosion or missing metal and today with IPCs robotic bridge inspection and wire rope inspection technology can inspect all of the cable stays and suspender cables for bridge inspections and during the required NBI inspections. 

 

Magnetic Flux leakage works by measuring the magnetic field that “leaks” from the steel. In an MFL tool, a magnetic detector is placed between the poles of the magnet to detect the leakage field. Analysts interpret the chart recording of the leakage field to identify damaged areas and hopefully to estimate the depth of metal loss.  

magnetic flux leakage inspection
Magnetic flux leakage

Infrastructure Preservation Corporation, IPC has utilized this 30 year old technology integrated with advanced robotics and software to develop advanced nondestructive robotic infrastructure testing to better understand our infrastructures and the inspected components current condition.

 

Subsequent inspections can show deterioration progression over time providing more valuable data with each inspection. By understanding the rate of deterioration over time, asset owners can better budget for maintenance and repairs.

 

cable stay bridge inspection

Videos the entire exterior and takes stills of any anomaly’s. Peers through the HDPE sheathing to locate loss of metallic area and corrosion in the steel that holds up the bridge. No lane closures or bucket trucks required.

 

#SafetyMatters

 

 

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