Damage Detection at a Reinforced Concrete Specimen with Coda Wave Interferometry [PDF]
Materials, 2021 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 ...
Felix Claus +2 more
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Estimation of Stresses in Concrete by Using Coda Wave Interferometry to Establish an Acoustoelastic Modulus Database [PDF]
Sensors, 2020 This article presents an experimental study of estimating stresses in concrete by applications of coda wave interferometry to establish an acoustoelastic modulus database.
Hanyu Zhan +4 more
doaj +4 more sources
Processing Ultrasonic Data by Coda Wave Interferometry to Monitor Load Tests of Concrete Beams [PDF]
Sensors, 2018 Ultrasonic transmission measurements have been used for decades to monitor concrete elements, mostly on a laboratory scale. Recently, coda wave interferometry (CWI), a technique adapted from seismology, was introduced to civil engineering experiments. It
Ernst Niederleithinger +3 more
doaj +4 more sources
Detection of Multiple Cracks in Four-Point Bending Tests Using the Coda Wave Interferometry Method [PDF]
Sensors, 2020 The enlargement of the cracks outside the permitted dimension is one of the main causes for the reduction of service life of Reinforced Concrete (RC) structures. Cracks can develop due to many causes such as dynamic or static load.
Xin Wang +3 more
doaj +4 more sources
Distributed Fiber Optics Sensing and Coda Wave Interferometry Techniques for Damage Monitoring in Concrete Structures [PDF]
Sensors, 2019 The assessment of Coda Wave Interferometry (CWI) and Distributed Fiber Optics Sensing (DFOS) techniques for the detection of damages in a laboratory size reinforced concrete beam is presented in this paper.
Antoine Bassil +5 more
doaj +4 more sources
Comparison of Experimentally Determined Two-Dimensional Strain Fields and Mapped Ultrasonic Data Processed by Coda Wave Interferometry [PDF]
Sensors, 2020 Due to the high sensitivity of coda waves to the smallest structural alterations such as strain, humidity or temperature changes, ultrasonic waves are a valid means to examine entire structures employing networks of ultrasonic transducers.
Felix Clauß +4 more
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Detection of biofilm formation by ultrasonic Coda Wave Interferometry
Journal of Food Engineering, 2021 The biofilm formation on food-contact-surfaces is a serious threat for public health and often results in huge human and economic losses. Thus, it is of importance to develop new strategies that allow the monitoring of the biofilm formation on food-contact-surfaces.
Nour Eddine Chihib +2 more
exaly +5 more sources
Journal of Civil Structural Health MonitoringAbstract The quantitative evaluation of bolt pre-load is crucial for the maintenance and prevention of accidents in bolt-connected structures. This study introduces the coda wave interferometry (CWI) method and the nonlinear coda wave interferometry (NCWI) method for quantitative evaluation of bolt pre-load.
, Samali Bijan, Shanchang Yi
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Coda wave interferometry for monitoring the fracture process of concrete beams under bending test [PDF]
Bulletin of the Polish Academy of Sciences: Technical Sciences, 2023 Early detection of damage is necessary for the safe and reliable use of civil engineering structures made of concrete. Recently, the identification of micro-cracks in concrete has become an area of growing interest, especially when it comes to using wave-
Magdalena Knak +2 more
doaj +1 more source
Ultrasonic Coda Wave Experiment and Simulation of Concrete Damage Process under Uniaxial Compression
Buildings, 2022 Using the coda wave interferometry (CWI) method to obtain the ultrasonic coda wave characteristics of loaded concrete is an important method to evaluate the mechanical response of concrete.
Yameng He +6 more
doaj +1 more source