 | TGV France| Year | from 2006 to ongoing
| | Location | France | | Description | G-tec carried out karst detection and mapping along HST railways in France using different geophysical techniques.
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Estimation of the karstic and anthropogenic cavities hazards along future French high speed railways (LGV SEA and LGV Est). G-tec provided a full desk study: - Analysis of geological and geographical maps ;
- Analysis and synthesis of existing boreholes all along the way regarding the karstic hazards ;
- Analysis and interpretation of existing geophysical results ;
- Compilation of speleological data.
G-tec carried out different geophysical surveys: - Ground Penetrating Radar ;
- Borehole radar.
G-tec compiled field data as outcrop descriptions, local people stories, sinkhole observation. |
