Abstract
GB-SAR (Ground Based Synthetic Aperture Radar) for inspection of wooden and concrete walls and structures has been developed and the system was evaluated by test measurements. The GB-SAR system uses frequency bandwidth 1-10GHz, and it can acquire full polarimetric radar signal. Then Synthetic Aperture (SAR) Radar signal processing is used to reconstruct 3-dimenatioal images of inner structure of the targets. We found that the radar polarimetry gives us very precise information of the damaged structures, and demonstrated that radar polarimetry is a useful tool for detecting fractures inside a concrete structures, and detection of small deformation of wooden structures.
| Original language | English |
|---|---|
| Pages | 1817-1824 |
| Number of pages | 8 |
| Publication status | Published - 2014 Jan 1 |
| Event | 7th European Workshop on Structural Health Monitoring, EWSHM 2014 - Nantes, France Duration: 2014 Jul 8 → 2014 Jul 11 |
Other
| Other | 7th European Workshop on Structural Health Monitoring, EWSHM 2014 |
|---|---|
| Country | France |
| City | Nantes |
| Period | 14/7/8 → 14/7/11 |
Keywords
- Concere structure
- GB-SAR
- NDI
- Radar polarimetry
- Wooden structure
ASJC Scopus subject areas
- Civil and Structural Engineering
- Safety, Risk, Reliability and Quality
- Building and Construction
- Computer Science Applications
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Cite this
Sato, M., Liu, H., Koyama, C., & Takahashi, K. (2014). Fundamental study on NDT of building wall structure by radar. 1817-1824. Paper presented at 7th European Workshop on Structural Health Monitoring, EWSHM 2014, Nantes, France.