Rebars corrosion data

Keywords: nondestructive testing NDT; nondestructive evaluation NDE; reinforcement bars detection; rebars; concrete inspection; reinforced concrete; M5 method; Magnetic Force Induced Vibration Evaluation (M5); Modal analysis; resonance frequencies The data is utilized in the articles: 1. Frankowski P. K., Alforque M. J., Chady T. AI Identification of Key Frequency Response Patterns for Nondestructive Corrosion Assessment in Reinforced Concrete Structures Using Electromagnetic Methods, IEEEXplore proceedings on 2025 International Conference on Power, Energy and Innovations (ICPEI), Pattaya, Thailand, 2025, pp. 1-6, https://doi.org/10.1109/ICPEI66116.2025.11282515 2. Frankowski P.K., Majzner P., Mąka M., Chady T. Enhancing the Identification of Corrosion in Reinforced Concrete Structures Using Association Rules Analysis and the Non-Destructive M5 Method. In I. Luković, S. Bjeladinović, B. Delibašić, D. Barać, N. Iivari, E. Insfran, M. Lang, H. Linger, & C. Schneider (Eds.), Empowering the Interdisciplinary Role of ISD in Addressing Contemporary Issues in Digital Transformation: How Data Science and Generative AI Contributes to ISD (ISD2025 Proceedings). Belgrade, Serbia: University of Gdańsk, Department of Business Informatics & University of Belgrade, Faculty of Organizational Sciences, 2025, ISBN: 978-83-972632-1-5. https://doi.org/10.62036/ISD.2025.46 3. Frankowski P.K., Matysik S. Integrating Electromagnetic NDT and IoT for Enhanced Structural Health Monitoring of Corrosion in Reinforced Concrete as a Key to Sustainable Smart Cities. Sustainability 2025, 17, 10307. https://doi.org/10.3390/su172210307 4. Frankowski, P.K.; Majzner, P.; Zietek, R.; Czaplinski, W.; Mech, D.; Stankiewicz, I.; Wisniewska, J.; Matysik, S. Structural Health Monitoring of Corrosion in Reinforced Concrete: A Key Component for Smart Cities, European Research Studies Journal, Volume XXVIII, Issue 4, 242-260, 2025. https://doi.org/10.35808/ersj/4110 Programing lenguage: Matlab Content: M5 method modal analysis measurements on a reinforced concrete sample with a single rebar to detect rebar corrosion. The purpose of these measurements is to evaluate the corrosion level of reinforced bars in concrete samples. The method employs modal analysis and reduces damping in the concrete through electromagnetic excitation, transferring vibrations of the rebar via magnetic coupling to the magnet on or above the sample surface. File: wynikiM5.mat - contains the range of used frequencies in variable 'f' (in Hz) and measured data, with sample parameters encoded in the variable name. waveforms data name: first sign - B - field sample, or A - laboratory sample 2nd sign - corrosion level - 1: rebar in the sample is not corroded; 2: rebar in the sample is partially corroded; 3: rebar fully corroded/structural debonding 3rd sign - sample identification code that ranges from 'a' to 'j'. next signs - number of the measurements from 'v2' to 'v10' (optional).