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Site investigation and output of utilities maps using GPR (Ground Penetrating Radar)

Site investigation and output of utilities maps using GPR (Ground Penetrating Radar). Giovanni Ciochetto Renato Polidoro. Construction of underground infrastructures. Exhaustive knowledge of the subsoil. Information available.

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Site investigation and output of utilities maps using GPR (Ground Penetrating Radar)

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  1. Site investigation and output of utilities maps using GPR (Ground Penetrating Radar) Giovanni Ciochetto Renato Polidoro

  2. Construction of underground infrastructures Exhaustive knowledge of the subsoil

  3. Information available • pre-existing documentation about works (e.g. laying of utilities, etc.) carried out in the area • documentation made available by local authorities • maps of existing utilities available from other Companies (e.g. gas, water, power …) inconsistency between maps and real position of the utilities

  4. On- site investigation • detection of the existing underground utilities, in particular the most dangerous ones (e.g. gas, power, high density TLC cables) • production of precise and updated maps GPR

  5. Telecom Italia requirements • Improvement in detection of buried utilities • Automated output of utilities map • Ground nature investigation RIS System

  6. RIS System

  7. RIS system main features • multi antenna and multi channel array • powerful post-processing tools • direct connection with CAD and GIS systems

  8. Multiple radar section representation

  9. Planimetric view of a pipe

  10. Post-processing software and CAD link

  11. On site GPR surveying Data processing Output of utilities map Updating of existing digital cartography

  12. Starting map of the area of interest

  13. Enlargement on CSELT buildings

  14. Detailed view of the road in which the survey was performed

  15. Results of the GPR surveying reported on the map

  16. Conclusion • Reduction of environmental and social impact of road works • Use of new construction techniques (no dig) • Exhaustive knowledge of the subsoil • Development of a new GPR: the RIS system • Improvement in utilities detection and automaticoutput of utilities maps • Automatic updating of existing digital cartography

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