Optimas OE Solutions, France

Sofrasar Tunnel Products

To assure geometry of the works, to provide watertightness, to assure security of the worksite.
Sofrasar products are used:
  • To handle
  • To assemble
  • To inject
A range of bolts and sockets which takes from 60 to 400 kN of stress distribution on circumferential connection.
The linking of rings with drifting system, without bolting, but with thermoplastics, so that the tunnel can “live” with an individual mobility of each ring.
A range of Grout Lift Sockets
  • To handle from 50 kN to 500 kN.
  • To control your injections.
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