26/09/2026
In mid-September, geotechnical engineers, structural engineers, archaeologists and heritage specialists from around the world met in Athens for TC301, the 4th International Symposium on Geotechnical Engineering for the Preservation of Monuments and Historic Sites.
It was the symposium's first time in Athens, a fitting choice for a city where so many monuments stand on ground that has to be studied as carefully as the monuments themselves. The programme ran for three days, starting at the Athens Conservatoire and ending at the Acropolis Museum, at the foot of the monument most discussed in this field.
We had a half-page in the symposium programme, with a simple message: every geotechnical study of a monument starts with an accurate picture of what is there.
That picture is what we provide. We combine laser scanning, mobile mapping, portable SLAM, structured light, UAV photogrammetry and lidar, choosing the mix for each site, and georeference it all through our in-house surveying team. The deliverables are point clouds, DSM/DTM, 3D models, sections, elevations and orthophotos, plus as-built geometry ready for structural and FEM analysis and repeat surveys for deformation monitoring.
The ad features our work at Delphi (a textured 3D model of the Sanctuary of Athena Pronaea, from the 3D4Delphi project) and Delos (orthomosaic and DSM). Both are part of more than two decades of archaeological documentation that also covers the Acropolis and the Minoan palaces.
Congratulations to the organisers on bringing TC301 to Athens (tc301-athens.com).
More on our cultural heritage work: https://astrolabe.gr/solutions/3d-cultural-heritage-documentation/?utm_source=facebook&utm_medium=social&utm_campaign=tc301-2026
Working on a monument, archaeological site or historic structure? We'd be glad to talk.