Grounding Technology for the Slab Track on the Stuttgart 21 Project
A custom-designed grounding solution for track slabs on a roughly 33-kilometer section of track.
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Initial situation and requirements
For the Stuttgart 21 project, PORR installed a slab track system along a roughly 33-kilometer section of track: a new, sleeperless track system consisting of elastically supported precast concrete elements laid on an asphalt base course.
A solution consisting of sockets and connectors was needed to securely ground the superstructure components. To achieve this, the grounding sockets had to be precisely integrated into the loosely reinforced track slabs.
Our solution and implementation
- Supply of grounding sockets for embedding in the track slabs using flat steel, a threaded sleeve, and a stainless steel washer
- Additional corrosion protection provided by the galvanized ends of the grounding sockets
- Supply of grounding connectors in various lengths
In total, PORR installed the slab track along a section of approximately 33 km using PHILIPP’s grounding solution.
The installed grounding jacks are provided with additional corrosion protection thanks to their galvanized ends.
