Measurement method

Magnetic Leakage Field Testing

Detection and localisation of prestressing steel cracks

 

The magnetic leakage field measurement method is used for the non-destructive and non-contact detection of fractures in the prestressing reinforcement of prestressed concrete structures. The transceiver unit, which contains an electromagnet and magnetic field sensors, is moved along the prestressing reinforcement on a rail. This magnetizes the steel to be examined. A magnetic leakage flux emerges at a fracture point, which is detected by the magnetic field sensors on the concrete surface.

Contact

This picture showsFrank Lehmann
Dr.-Ing.

Frank Lehmann

Head of Unit

This picture showsMichael Schreiner
Dipl.-Ing.

Michael Schreiner

Deputy Head of Unit

 

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