Based on that, we proposed an interfacial-fracture-energy-based analytical model to convert distributed fiber optic strains before and after interfacial debonding to CODs of micro- and macro-cracks. T...
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Fiber Optic Sensing Cracks - SMB AI-Systems & High-Speed Interconnect [PDF]
This study introduces, for the first time, an innovative approach for precise detection of explosion-induced cracks using Distributed Fiber Optic Sensing (DFOS) integrated with deep
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Fibre optics, supplemented by conventional measuring technology, was able to detect elastic strain, crack formation and decisive shear cracks of the fracture state.
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The ability to measure strains quasi-continuously with high spatial resolution makes distributed fiber optic sensing a promising technology for structural health monitoring as it allows to locate and
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Given the prevalence of mixed-mode cracks in reinforced concrete structural elements under complex stress conditions, this study contributes to the understanding of fiber optic sensor behavior in real
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Monitoring of cracks and crack growth rates is a crucial aspect of structural health monitoring for concrete infrastructure, and multiple manual and automatic monitoring techniques
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The accuracy of the model under a single crack was validated through plate splitting tests and the experimental data reported in the literature. Furthermore, experimental results from a four-point
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A fiber-optic sensor is a device that uses an optical fiber to measure quantities like temperature, strain, pressure, or chemical concentrations. It works by sending light through the fiber and detecting
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Learn about fiber optic sensor types, how they work, and their widespread applications in various industries.
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Distributed fiber optic sensing (DFOS) stands out as a prominent technology with the capability to detect cracks across extensive areas. Within the array of DFOS technologies, optical frequency domain
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In this study, the signal quality of ro-bust DFOS with a multilayer and monolithic cross section is compared and evaluated in terms of reliability for crack monitoring.
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