ArticleMaterials (Basel, Switzerland)2021
Damage Detection at a Reinforced Concrete Specimen with Coda Wave Interferometry.
Article in Materials (Basel, Switzerland), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Article
- Experimental Crack Width Quantification in Reinforced Concrete Using Ultrasound and Coda Wave Interferometry.Materials (Basel, Switzerland) · 2025Article
- Impact of temperature and relative humidity variations on coda waves in concrete.Scientific reports · 2024Article
- Impact of External Mechanical Loads on Coda Waves in Concrete.Materials (Basel, Switzerland) · 2022Article
- Numerical Parametric Study of Coda Wave Interferometry Sensitivity to Microcrack Change in a Multiple Scattering Medium.Materials (Basel, Switzerland) · 2022Article
- Correlation of Load-Bearing Behavior of Reinforced Concrete Members and Velocity Changes of Coda Waves.Materials (Basel, Switzerland) · 2022Article
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Authors and funding
6 authors.
Funding
Abstract
Reinforced concrete is a widely used construction material in the building industry. With the increasing age of structures and higher loads there is an immense demand for structural health monitoring of built infrastructure. Coda wave interferometry is a possible candidate for damage detection in concrete whose applicability is demonstrated in this study. The technology is based on a correlation evaluation of two ultrasonic signals. In this study, two ways of processing the correlation data for damage detection are compared. The coda wave measurement data are obtained from a four-point bending test at a reinforced concrete specimen that is also instrumented with fibre optic strain measurements. The used ultrasonic signals have a central frequency of 60 kHz which is a significant difference to previous studies. The experiment shows that the coda wave interferometry has a high sensitivity for developing cracks and by solving an inverse problem even multiple cracks can be distinguished. A further specialty of this study is the use of finite elements for solving a diffusion problem which is needed to state the previously mentioned inverse problem for damage localization.
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Registered trials
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