The core activity of Ghelma AG Spezialtiefbau encompasses the planning and execution of special deep foundation projects, including:
* excavation pit securing (nailing walls, raking walls, pile walls, tie-backs)
* pile foundations (in-situ concrete piles, displacement piles, micro-piles)
* special drilling (filter wells, drainage drilling, contaminated site remediation, exploratory drilling)
* protective structures (rockfall protection, landslide protection, rock face securing, flood protection, protective scaffolding)
* embankment stabilization (jet grouting, high-pressure injections, low-pressure injections)
The company offers innovative and customized solutions for complex construction projects and has its own research and development department as well as a workshop for the manufacture of specialized equipment.