Pipe Penetrating Radar inspection of large diameter underground pipes

@article{Ekes2014PipePR,
  title={Pipe Penetrating Radar inspection of large diameter underground pipes},
  author={C. Ékes and B. Neducza and P. Tak{\'a}cs},
  journal={Proceedings of the 15th International Conference on Ground Penetrating Radar},
  year={2014},
  pages={368-371}
}
Pipe Penetrating Radar (PPR) is the underground, in-pipe application of GPR, a non-destructive testing method that can detect defects and cavities within and outside mainline diameter (>18 in / 450mm) non-ferrous (concrete, PVC, HDPE, vitrified clay, etc.) underground pipes [1, 2]. The method uses two or more high frequency GPR antennae carried by a robot into underground pipes. The radar data are transmitted to the surface and are recorded together with the output from CCTV (and optionally… Expand

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This paper describes the development of Pipe Penetrating Radar (PPR), the underground in-pipe application of GPR, a non-destructive testing method that can detect defects and cavities within andExpand
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