Crack Detection by Infrared Imaging

It is important to detect cracks early because cracks in infrastructure can lead to failure, for example via reinforcement corrosion.

The group is conducting research to detect cracks by infrared imaging. The thermal energy change is measured after photographing the frictional heat caused by the crack with a thermal infrared camera. The group has applied thermal infrared images to measure the failure behaviour of pillars in tunnels and crack patterns in frozen soil.

 

Selected references

  • Seo, H. J., Choi, H., Lee, K. H., Bae, G. J., Lee, I. M. (2014) Pillar-reinforcement technology beneath existing structures: Small-scale model tests. KSCE Journal of Civil Engineering, 18(3), 819-826.
  • Seo, H. J., Choi, H., Lee, I. M. (2016). Numerical and Experimental Investigation of Pillar Reinforcement with Pressurized Grouting and Pre-stress. Tunnelling and Underground Space Technology, 54, 135-144.
  • Park, J., Lee, K. H., Seo, H. J., Ryu, J., Lee, I. M. (2017). Role of Induced Electrical Polarization to Identify Soft Ground Fractured Rock Conditions. Journal of Applied Geophysics, 137, 63-72.
  • Seo, H. J., Choi, H., Park, J., Park, J., Lee, I. M. (2017). Crack Detection in Pillars Using Infrared Thermographic Imaging. Geotechnical Testing Journal, ASTM, 40, 3, 371-380.
  • Zhao, Y., Li, R., & Seo, H. (2018). Crack detection in frozen soils using infrared camera. In Proceedings of the 35th International Symposium on Automation and Robotics in Construction (ISARC), doi:10.22260/isarc2018/0025

 

 

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