1-component Hydro-Active polyurethane injection resins
Easy to use, environmentally friendly polyurethane injection resins. Our one-component polyurethane injection resins come in 3 distinct ranges for different applications during tunnelling operations:
- Water cutting and water control
- Waterproofing of the concrete structure
- Consolidation and stabilisation of unstable zones in the drill face area.
Requiring simple 1-component injection equipment, our 1-component injection resins have adjustable reaction times to allow full adjustability during the application. Several specially developed tunnelling techniques such as Combi-Grouting in rock faces allow time and money to be saved in case of problems during the tunnelling operation.
2-component polyurethane injection resins for Rock Stabilisation
Fast reacting 2-component polyurethane injection resins for void filling, structural void filling, anchoring rock bolts and rock consolidation. Alternative ultra fast reacting resins are available to provide fast waterproofing of large leaks in combination with large voids. Variable reaction times and expansion rates allow the right product to be chosen to solve the problem at hand. 2-component resins are fast track solutions when it is impossible for the construction or tunnel operation to wait for cement to cure to sufficient strength.
2-component Organo-mineral injection resins
CFC-free, foaming or non foaming organo-mineral resins are used for fast consolidation and void filling in large areas where low polymerisation temperatures are required. Ideally suited for prevention and repair of collapses in tunnels and in specific mining applications.
2-component low viscosity poly-acrylate injection resins are used for waterproofing curtain injections, soil coagulation and repairing leaks in tunnel liners between shotcrete faces in NATM tunnels.
Epoxy injection resins
2-component epoxy injection resins for structural injections in concrete tunnel segments or in-situ poured concrete.
Advanced technology alternative for classic water glass and silicate injection grouts. Colloidal silica grouts have lower overall pH and are less susceptible to syneresis than normal sodium-silicate grouts. Low viscous liquids, colloidal silicate grouts are used for temporary waterproofing soils and areas before the tunnel shield.