Measurement technology for the safety and security of society! It is a non-destructive testing technology for concrete structures such as social infrastructure, which are being viewed as problematic due to aging.
We have achieved the advancement of non-destructive internal inspection of concrete structures using microwave radar. The aging of social infrastructure is becoming a serious social issue, with many problems related to the safety and security of concrete structures, such as the health diagnosis of tunnels and bridges, seismic performance evaluation of concrete buildings, and deterioration inspection of rebar and piping within concrete. While construction technology for concrete structures has made remarkable progress, effective diagnostic techniques for their maintenance have not yet been found. This technology achieves high precision in radar imaging (position and shape estimation) and improved estimation performance of embedded material properties (such as material type and degree of deterioration) through the advancement of microwave propagation time estimation and the refinement of microwave propagation and reflection models.
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basic information
Since it is a signal and information processing technology, it does not require changes to the physical configuration of the exploration device, and it has a very high compatibility with existing exploration devices, making it easy to apply to conventional inspections of concrete infrastructure structures. Even non-experts can easily and accurately recognize internal structures. → By making it available for general use instead of just for professionals, it is effective in enhancing safety and security for society as a whole. The principles of signal processing can also be horizontally expanded to measurement technologies based on pulse-echo measurements. → This leads to higher precision in sonar and robotic recognition.
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Applications/Examples of results
- Inspection of the integrity of walls in bridges and buildings - Inspection of rebar diameter in completed concrete structures
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