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1 February 1999 Magnetic field measurements on bridges and development of a mobile SQUID system
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Abstract
The paper describes the application of Non-Destructive Testing for the detection of ruptures in the prestressing reinforcement. These damages can be detected by the non- destructive and contactless magnetic stray field measuring method. The paper presents the underlying physical principle and the results of measurements on bridges. Furthermore, the development of a multi-channel system utilizing Superconducting Quantum Interference Devices as most sensitive magnetic field detectors will be reported. First laboratory measurements indicate the potential of this new technique.
© (1999) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Juergen Krieger, Hans-Joachim Krause, Uwe Gampe, and Gottfried Sawade "Magnetic field measurements on bridges and development of a mobile SQUID system", Proc. SPIE 3587, Nondestructive Evaluation of Bridges and Highways III, (1 February 1999); https://doi.org/10.1117/12.339929
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