Magnetic-Based NDE of Prestressed and Post-Tensioned Concrete Members: The MFL System.

00793318442179382000PDFResearch PaperDTFH61-95-C-00161Bridge membersMaterials testsStructural steelCorrosionMFL systemMagnetic flux leakage systemsNondestructive testsGhorbanpoor, A.Borchelt, R.Edwards, M.Salam, E. A.NTL-HIGHWAY/ROAD TRANSPORTATION-Bridges and StructuresFederal Highway AdministrationThis report describes all aspects of a study to develop a nondestructive evaluation (NDE) system based on the concept of magnetic flux leakage (MFL) to detect corrosion and fracture of prestressing steel in pretensioned and post-tensioned concrete bridge ;Sponsored by Federal Highway Administration, McLean, VA. Office of Infrastructure Research and Development.;pg 11