Tunnels and arches age and undergo changes
over time that may make them unfit for use.
Freyssinet offers its clients proven solutions for the repair, protection
and strengthening of these structures.
Foreva® solutions enable Freyssinet to carry out rehabilitation work in
line with industry standards and good practice, while respecting the environment.
Foreva® solutions include:
Maintenance and repair
Throughout their service life or following an accident, structures require
structural repairs. As necessary, Freyssinet can perform concrete reprofiling,
install waterproof membranes and stapled coverings and treat cracks and
water infiltration points.
Structural strengthening
Freyssinet offers a number of techniques for reinforcing your structures,
including shotcrete relining, shotcrete section reprofiling and additional
prestressing or installing composite reinforcements, nails, etc.
Tunnel renovation
Freyssinet offers a wide range of services to modernise or adapt your structures
to comply with the requirements of new conditions or standards.
Protection
To bring your structures into compliance with standards, Freyssinet can
install fire protection in your tunnels and other underground facilities.
It also offers a variety of preventive and corrective techniques to protect
concrete reinforcements against corrosion.
Applications:
-Tunnels
-Arches
-Passages
-Culverts
-Underground tunnels
Puymorens tunnel (France)
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