Introduction to DIN 4871: Qualification of NDT Personnel in Civil Engineering (NDT-CE)
Sascha Feistkorn127, Daniel Algernon246, Ralf W. Arndt322, Gino Ebell410, Martin Friese513, Christian U. Grosse6147, Ralf Holstein125, Ernst Niederleithinger483, Martin Schickert753, Sebastian Schulze811, Alexander Taffe959, Andrei Walther1020, Julia Wolf1110, Andreas ZOËGA129, Michael Zwanzig13 1Deutsche Gesellschaft für Zerstörungsfreie Prüfung (DGZfP)192, Berlin, Germany 2Swiss Association for Technical Inspections, SVTI ASIT 57, Wallisellen, Switzerland 3FH Erfurt- University of Applied Sciences (FHE)12, Erfurt, Germany 4BAM Federal Institute for Materials Research and Testing1512, Berlin, Germany 5DZSF4, Dresden, Germany 6Technical University of Munich (TUM)156, Munich, Germany 7Bauhaus-Universität Weimar81, Weimar, Germany 8Hupfer Ingenieure5, Hamburg, Germany 9University of Applied Science, Hochschule für Technik und Wirtschaft Berlin (HTW)25, Berlin, Germany 10Kiwa GmbH8, Beckum, Germany 11DB Engineering & Consulting GmbH5, Bremen, Germany 12RWTH Aachen University66, Aachen, Germany
Abstract: Recently, non-destructive testing in civil engineering (NDT-CE), in particular of concrete components, has successfully mastered the leap from research to practice. Several methods have been established for field inspections to determine the concrete cover of reinforcement or to estimate the compressive strength as well as other parameters related to the concrete material. In addition, the application of nondestructive testing is indispensable, if information about the inner structure - such as the location of rebars and tendon ducts or the damage-related condition assessment to detect grouting defects, honeycombs, delamination, or corrosion - is required. Besides the selection of a suitable NDT method and an appropriate inspection system, the reliability of the results depends largely on the person who applies the non-destructive inspection technique and evaluates the inspection results. To ensure a high quality of non-destructive concrete evaluation as well as to keep the uncertainty caused by the inspection personnel to a minimum, structured, consistent and regulated theoretical as well as practical training of inspection personnel is essential. To close this gap, the subcommittee of education (UA-A) within the committee for NDT-CE of the German Society for Nondestructive Testing (DGZfP) has been reactivated in 2018 to establish uniform training standards for nondestructive concrete inspections in the long term. The subcommittee consists of scientists, practitioners, authorities, and clients. So far, the national standard DIN 4871 “Non-destructive testing - Qualification and Certification of NDT personnel in Civil Engineering (NDT-CE)” was developed and is currently under review. This standard considers the civil-industry-specifics, for example, that standards for NDT of concrete, as well as related product standards with a few exceptions, still do not exist at the moment. Within this presentation, the concept, the connection to ISO 9712 and other standards as well as an overview of the developed German standard DIN 4871 will be presented.
Feistkorn, S., Algernon, D., Arndt, R., Ebell, G., Friese, M., Grosse, C., Holstein, R., Niederleithinger, E., Schickert, M., Schulze, S., Taffe, A., Walther, A., Wolf, J., ZOËGA, A., & Zwanzig, M. (2022). Introduction to DIN 4871: Qualification of NDT Personnel in Civil Engineering (NDT-CE). International Symposium on Non-Destructive Testing in Civil Engineering (NDT-CE 2022), 16-18 August 2022, Zurich, Switzerland. e-Journal of Nondestructive Testing Vol. 27(9). https://doi.org/10.58286/27309
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