Publikationen

2026

Sträter, N.; Clauß, F; Ahrens, M.A.; Mark, P.: Detecting invisible damage in prestressed concrete bridges: A demonstrator case using coda wave interferometry. Structural Concrete. 2026 submitted

Jägle, E., Tuladhar, R., Niederleithinger, E., Epple, N., Sanchez Trujillo, C. A., Gehlen, C., & Timothy, J. J. (2026). Evaluation of ultrasonic signals collected from laboratory concrete specimens: Preprocessing and analysis with coda wave interferometry. MethodsX, 16, Article 103811. https://doi.org/10.1016/j.mex.2026.103811

Saenger, E.H., Balcewicz, M., Vu, G., Jägle, E., Timothy, J. J., & Finger, C. (2026). A numerical approach to determine the intrinsic attenuation of concrete. Archives of Civil and Mechanical Engineering, 26, 49. https://doi.org/10.1007/s43452-025-01412-2

2025

Epple, Niklas, et al. "Monitoring of Concrete Infrastructure with Active Ultrasound Coda Wave Interferometry." 13th International Conference on Structural Health Monitoring of Intelligent Infrastructure; SHMII-13. Technische Universität Graz, 2025. https://doi.org/10.3217/978-3-99161-057-1-012

Epple, N., Trujillo, C. A. S., Hau, J., Niederleithinger, E., & Malm, F. (2025). Structural monitoring in an urban underground metro station using coda wave interferometry: Insights, challenges, and practical applications. e-Journal of Nondestructive Testing, 30. https://doi.org/10.58286/31706

Sanchez Trujillo, C. A., Niederleithinger, E., & Shokouhi, P. (2025). Assessing early-stage concrete damage using thermal modulation and coda wave interferometry: Influence of water-to-cement ratio. In Proceedings of the International Symposium on Nondestructive Testing in Civil Engineering (NDT-CE 2025) (Paper 3537). NDT.net. https://doi.org/10.58286/31671

Sanchez Trujillo, C. A., Niederleithinger, E., Shokouhi, P. (2025). Assessing concrete damage using thermal modulation and coda wave interferometry – Preliminary results. Presented at ICNEM 2025. BAM. https://doi.org/10.58286/31671

Epple, Niklas, Thomas Schumacher, A. K. M. Golam Murtuz, Ernst Niederleithinger, und Peter Dusicka. 2025. „Combined Passive and Active Ultrasonic Stress Wave Monitoring of a Full-Scale Laboratory Reinforced Concrete Bridge Column Subject to Reverse-Cyclic Lateral Loading“. Journal of Civil Structural Health Monitoring, advance online publication, August 4. https://doi.org/10.1007/s13349-025-00996-w.

Sträter, N.; Clauß, F.; Ahrens, M.A.; Mark, P.: Experimental Crack Width Quantification in Reinforced Concrete Using Ultrasound and Coda Wave Interferometry. Materials.2025. https://doi.org/10.3390/ma18153684

Clauß, F.; Sträter, N.; Ahrens, M.A.; Mark, P.: Inferring cumulative crack widths in reinforced concrete structures using ultrasound and coda wave interferometry. Structural Concrete.2025. https://onlinelibrary.wiley.com/doi/pdf/10.1002/suco.70252

Diewald, F., Epple, N., Kränkel, T., Gehlen, C., & Niederleithinger, E. (2025). Data for: Impact of External Mechanical Loads on Coda Waves in Concrete [Data set]. Zenodo. https://doi.org/10.5281/zenodo.17880293

Jägle, E., Heimgreiter, B., Timothy, J. J., & Gehlen, C. (2025). Drying of saturated cement paste and concrete: ultrasonic, gravimetric and strain measurements (Version 1) [Data set]. Zenodo. https://doi.org/10.5281/zenodo.14793771

Jägle, E., Timothy, J. J., Jansen, D., & Machner, A. (2025). Deriving early hydration cement paste phase assemblage, microstructure development and elastic properties using thermodynamic simulation and multi-scale material modeling. Cement and Concrete Research, 195, Article 107830. https://doi.org/10.1016/j.cemconres.2025.107830

2024

Jägle, E., Niederleithinger, E., Grabke, St., Vu, G., Sträter, N., Saenger, E., Epple, N., Wiggenhauser, H., Sanchez-T., C., Felix, C., Diewald, F., Balcewicz, M., Timothy, J., Ahrens, M., Mark, P., Bletzinger, K.-U., Meschke, G. & Gehlen, Ch. (2024). Interdisciplinary Research on the Application of New Ultrasonic Methods for Improved Structural Health Monitoring. Proceedings of the 11th International Conference on Bridges in Danube Basin. DOI: 10.14459/icbdb24.19, https://go.tum.de/973810

Grabke, S. System Identification with Coda Waves and Model Updating for Digital Twins in Civil Engineering. PhD Thesis, 2024.

Sträter, N., Clauß, F., Ahrens, M.A. & Mark, P. (2024). Detection of tendon breaks in prestressed concrete structures using coda wave interferometry. Structural Concrete. https://doi.org/10.1002/suco.202400680

Diewald, F., Denolle, M., Timothy, J.J. & Gehlen, C. (2024). Impact of temperature and relative humidity variations on coda waves in concrete. Scientific Reports 14, 18861. https://doi.org/10.1038/s41598-024-69564-4

2023

Epple, N., Sanchez-Trujillo, C. A. & Niederleithinger, E. (2023). Ultrasonic monitoring of large-scale structures - input to engineering assessment. Life-Cycle of Structures and Infrastructure Systems: Proceedings of the eigth international symposium on life-cycle civil engineering (IALCCE 2023), 2-6 July, 2023, Milan, Italy, 1805-1812. https://doi.org/10.1201/9781003323020

Diewald, F. (2023). About the separation of impacts on coda waves in concrete. Life-Cycle of Structures and Infrastructure Systems: Proceedings of the eigth international symposium on life-cycle civil engineering (IALCCE 2023), 2-6 July, 2023, Milan, Italy, 1827-1833. https://doi.org/10.1201/9781003323020

Grabke, S. & Bletzinger, K.-U. (2023). Comparison of structural analysis results with coda wave interferometry measurements. Life-Cycle of Structures and Infrastructure Systems: Proceedings of the eigth international symposium on life-cycle civil engineering (IALCCE 2023), 2-6 July, 2023, Milan, Italy, 1821-1826. https://doi.org/10.1201/9781003323020

Jägle,E., Timothy, J.J. , Diewald, F. , Kränkel, T., Gehlen, C.& Machner, A. (2023). The hydration of cement paste: Thermodynamics driven multi-scale modeling of elastic properties and coda wave interferometry based monitoring. Life-Cycle of Structures and Infrastructure Systems: Proceedings of the eigth international symposium on life-cycle civil engineering (IALCCE 2023), 2-6 July, 2023, Milan, Italy, 1842-1849. https://doi.org/10.1201/9781003323020

Sträter, N., Clauß, F., Ahrens, M.A. & Mark, P. (2023). A new technique to detect altered stresses in tendons early. Life-Cycle of Structures and Infrastructure Systems: Proceedings of the eigth international symposium on life-cycle civil engineering (IALCCE 2023), 2-6 July, 2023, Milan, Italy, 1813-1820. https://doi.org/10.1201/9781003323020

Vu, G., Meschke, G., Timothy, J.J. & Saenger, E.H.(2023). A virtual lab for damage identification in concrete using coda waves. Life-Cycle of Structures and Infrastructure Systems: Proceedings of the eigth international symposium on life-cycle civil engineering (IALCCE 2023), 2-6 July, 2023, Milan, Italy, 1834-1841. https://doi.org/10.1201/9781003323020

2022

Epple, Niklas, Ernst Niederleithinger, and Daniel Fontoura Barroso. "Coda wave interferometry for monitoring bridges with embedded ultrasonic transducers–lessons learned at the Gänstorbrücke bridge Ulm, Germany." NDT. net Issue-2022-09-. 2022. https://doi.org/10.58286/27221

Epple, Niklas, et al. "From the Lab to the Structure: Monitoring of a German Road Bridge Using Embedded Ultrasonic Transducers and Coda Waves." European Workshop on Structural Health Monitoring. Cham: Springer International Publishing, 2022. https://doi.org/10.1007/978-3-031-07258-1_83

Grabke, S. Bletzinger, K.-U. & Wüchner, R. (2022). Development of a finite element-based damage localization technique for concrete by applying coda wave interferometry. Engineering Structures. 269. https://doi.org/10.1016/j.engstruct.2022.114585

Grabke, S., Bletzinger, K.-U., Wüchner, R., Clauß, F., Ahrens, M. A. & Mark, P. (2022). Damage detection in concrete with coda wave interferometry using a 60 kHz ultrasonic signal. IABSE Symposium, Prague 2022: Challenges for Existing and Oncoming Structures. 453-457. doi:10.2749/prague.2022.0453

Clauß, F., Ahrens, M. A. & Mark, P. (2022). Damage without indiction - detection of tendon rupture using coda wave interferometry. Proceedings of the 13th International Workshop on Structural Health Monitoring (Stanford 2022), 217-224 .

Diewald, F., Irbe, L., Kraenkel, T., Machner, A. & Gehlen, C. (2022). Monitoring Early Cement Hydration with Coda Wave Interferometry. Proceedings of the 13th International Workshop on Structural Health Monitoring (Stanford 2022), 141-148.

Diewald F., Epple N., Kraenkel T., Gehlen C. & Niederleithinger E. (2022). Impact of External Mechanical Loads on Coda Waves in Concrete. Materials, 15(16), 5482. https://doi.org/10.3390/ma15165482

Clauß, F., Ahrens, M. A. & Mark, P. (2022). Thermo-mechanical experiments on reinforced concrete beams: Assessing thermal, mechanical, and mixed impacts on fiber optic measurements. Structural Concrete. https://doi.org/10.1002/suco.202100890

Clauß, F., Epple, N., Ahrens, M. A., Niederleithinger, E. & Mark, P. (2022). Correlation of Load-Bearing Behavior of Reinforced Concrete Members and Velocity Changes of Coda Waves. Materials 15(3), 738. https://doi.org/10.3390/ma15030738

Diewald, F., Klein, N., Hechtl, M., Kraenkel, T. & Gehlen, C. (2022). Efficient Labelling of Air Voids in Hardened Concrete for Neural Network Applications Using Fused Image Data. https://doi.org/10.1007/978-3-030-76465-4_19

Karimpouli, S., Tahmasebi, P., & Saenger, E. H. (2022). Ultrasonic prediction of crack density using machine learning: A numerical investigation, Geoscience Frontiers, 101277. https://doi.org/10.1016/j.gsf.2021.101277

2021

Epple, N., Barroso, D. F., & Niederleithinger, E. (2021). Towards monitoring of concrete structures with embedded ultrasound sensors and coda waves: First results of DFG for CoDA. In P. Rizzo & A. Milazzo (Eds.), Proceedings of the European Workshop on Structural Health Monitoring (EWSHM 2020) (Lecture Notes in Civil Engineering, Vol. 127). Springer. https://doi.org/10.1007/978-3-030-64594-6_69

Niederleithinger, E., Sodeikat, C., Epple, N., Liao, C.-M. & Hindersmann, I. (2021). Acoustic emission and ultrasonic monitoring of a prestressed concrete bridge in its final years. Eurostruct 2021, 30. August - 02. September, 2021, Padua, Italy.

Grabke, S., Clauß, F., Bletzinger, K.-U., Ahrens, M. A., Mark, P. & Wüchner, R. (2021). Damage Detection at a Reinforced Concrete Specimen with Coda Wave Interferometry, Materials, 14(17). doi: 10.3390/ma14175013

Niederleithinger, E., Wang, X., Epple, N., Schumacher, T., Ahmend, S. & Klikowicz, P. (2021). Ultrasonic coda wave monitoring of concrete structures: First experiences with large-scale experiments and real structures, IABMAS 2020, 11. - 15. April 2021, Sapporo, Japan.

Vu, G., Timothy, J. J., Singh, D. S., Saydak, L. A., Saenger, E. H. & Meschke, G. (2021). Numerical Simulation-Based Damage Identification in Concrete, Modelling, 2 (3), 355-369. https://doi.org/10.3390/modelling2030019

Finger, C., Saydak, L., Vu, G.; Timothy, J. J., Meschke, G. & Saenger, E. H. (2021). Sensitivity of Ultrasonic Coda Wave Interferometry to Material Damage - Observations from a Virtual Concrete Lab. Materials, 14, 4033. https://doi.org/10.3390/ma14144033

Saenger, E. H., Finger, C., Karimpouli, S. & Tahmasebi, P. (2021). Single-Station Coda Wave Interferometry: A Feasibility Study Using Machine Learning, Materials, 14(13), 3451. https://doi.org/10.3390/ma14133451

Holla, V., Vu, G., Timothy, J. J., Diewald, F., Gehlen, C. & Meschke, G. (2021) Computational Generation of Virtual Concrete Mesostructures. Materials 14, 3782. https://doi.org/10.3390/ma14143782

Vu, G., Diewald, F., Timothy, J. J., Gehlen, C. & Meschke, G. (2021). Reduced Order Multiscale Simulation of Diffuse Damage in Concrete. Materials 14, 3830. https://doi.org/10.3390/ma14143830

Fontoura-Barroso, D., Epple, N. & Niederleithinger, E. (2021). A Portable Low-Cost Ultrasound Measurement Device for Concrete Monitoring. Inventions 6(2), 36. https://doi.org/10.3390/inventions6020036

Clauß, F., Ahrens, M. A. & Mark, P. (2021). A comparative evaluation of strain measurement techniques in reinforced concrete structures–A discussion of assembly, application, and accuracy. https://doi.org/10.1002/suco.202000706

Clauß, F., Löschmann, J., Ahrens, M. A. & Mark, P. (2021). Temperaturinduktion in Betontragwerke. Beton- und Stahlbetonbau. https://doi.org/10.1002/best.202100010

2020

Epple N., Fontoura-Barroso D. & Niederleithinger E. (2020) Towards Monitoring of Concrete Structures with Embedded Ultrasound Sensors and Coda Waves – First Results of DFG for CoDA. In: Rizzo P., Milazzo A. (eds) European Workshop on Structural Health Monitoring. EWSHM 2020. Lecture Notes in Civil Engineering, vol 127. Springer, Cham, pp. 266-275. https://doi.org/10.1007/978-3-030-64594-6_27

Niederleithinger, E., Epple, N., Fontoura-Barroso, D., Clauß, F., Ahrens, M. A. & Mark P. (2020). Ultraschallbasierte Überwachung von Stahl- und Spannbeton-konstruktionen – erste Ergebnisse der DFG-Forschungsgruppe 2825 CoDA. 4. TAE Brückenkolloquium.

Clauß, F., Epple, N., Ahrens, M. A., Niederleithinger, E. & Mark, P. (2020) Comparison of Experimentally Determined Two-Dimensional Strain Fields and Mapped Ultrasonic Data Processed by Coda Wave Interferometry. Sensors 20(14), 4023. https://doi.org/10.3390/s20144023