Tunnelling GFRP Solutions

Fiberglass reinforcement for tunnel excavation

Fibreglass reinforced solutions (GFRP), a well-established method for consolidation and reinforcement of the excavation face in underground construction, enhance soil stability and improve safety conditions. Our portfolio features a wide range of innovative solutions:

  • Profiles and elements in fibreglass of different section

  • The customizable anchoring systems P.E.R. Ground

  • Glass fibre reinforcement nets

  • Glass fibre reinforcing bars


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P.E.R. Ground System

The P.E.R. Ground System, designed for challenging excavations, combines a fiberglass-reinforced element with an expandable sheath, filled with pressurized mortar. This system improves pull-out resistance, efficiently controls mortar usage and reduces perforations by up to 45%, enhancing safety and saving resources. P.E.R. Ground is customizable in various combinations, allowing multiple functions to be performed simultaneously (e.g., P.E.R. Ground Drain for both reinforcement and drainage). 


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Corrugated Fibreglass Hollow Sections

The corrugated fibreglass hollow sections, made from a polyester resin matrix reinforced with continuous unidirectional E-Glass type GFRP fibres, maintain the integrity of the fibres throughout their length. This uninterrupted fibreglass reinforcement significantly enhances tensile strength and pull-out resistance. The corrugated design also increases adhesion, and when combined with the high tensile capacity of the tube, ensures reliable stabilization of the excavation face.

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Tunnelling GFRP Solutions

Brochure Tunnelling_ENG

PDF · 16.1 MB

PER Ground System - Flyer

PDF · 0.1 MB

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