Tunnel preservation and restoration

Sealing crack injection for tunnels

Acrylate gel

  • Adjustable reaction time
  • High mechanical strength

RUBBERTITE

Rubber-elastic, 3 C acrylate gel, multi purpose applicable

  • Very low viscous with high flexibility
  • Very good penetration, even in water filled cracks
  • Long term stable. Proven stability of at least 16 years

VARIOTITE

Adjustable, rapid-reacting acrylate gel

  • Very good elongation properties
  • for renovation of dilatation joints

ECOCRYL

Adjustable, low viscous, quickly reacting 3 C acrylate gel

  • quickly reacting

Polyurethane resin (PUR-I)

  • Flexible hence good movement assimilation
  • Penetrates even into haircracks

PUR-O-CRACK

2-component injection resin based on polyurethane

  • Officially approved system
  • Proven against water pressure of 7 bars
  • Approved for use in CHF and LMSS plants

PUR-O-RIP

2-component high flexible injection resin based on polyurethane

  • Universal and economical
  • highly flexible < -35°C

Injection resin based on polyurethane (SPUR)

PUR-O-STOP

1-component injection resin based on polyurethane

  • Stopping of inrushing water

2K injection resin on polyurethane basis

PUR-O-STOP FS

Quickly reacting, rigid, 2 C Polyurethane resin

  • Stopping of inrushing water
  • For filling and solidification of gravities and ground structures

Solid crack injection for a tunnel

Epoxy resin

  • Where pulling and pressing force is expected

HYDROPOX EP1

Low-viscous 2 C injection resin based on epoxy

  • for friction-fit filling of cracks in tunnels
  • use also possible on moist substrates

Injection cement

  • All cements just needs to be mixed with water and do not need to be mixed up during injection
  • Cements are ideal for filling of hollows and for structure solidification with compressive load
  • Also available in big-bags

F8000

Single-component injection material based on extra-fine cement

  • Very high compressive-strength
  • For injection in cracks above ab 0,2 mm

F9100

Minerally, single component injection glue based on trass chalk according to DIN 1060

  • No ettringite formation

F9200

Ready to use dry mixture.
Grain size 0-0,125 mm

  • For injection in cracks > 0.375 mm
  • Non shrinking
  • Swelling

F9300

Ready to use dry mixture, non shrinking.
Grain size 0-0.8 mm

  • injection an anchor mortar

Curtain injection

Tunnel: Curtain injection

  • Waterproof up to 12 bar
  • Adjustable to soil conditions
  • High chemical resistance
  • Long-term tested
  • Worldwide references available

RUBBERTITE

Rubber-elastic, 3 C acrylate gel, multi purpose applicable

  • Very low viscous with high flexibility
  • Very good penetration, even in water filled cracks
  • Long term stable. Proven stability of at least 16 years

ECOCRYL

Adjustable, low viscous, quickly reacting 3 C acrylate gel

  • quickly reacting

SOLIDCRYL

Adjustable, low viscous rigid acrylate resin with high final strength. Specially to create ground stabilisation

  • Low viscous
  • Very good penetration
  • High final strength

PUR-O-STOP FS-L

Slowly curing, from ridged to tough elastic, 2K polyurethane resin, which foams up in contact with water

  • Groundwater friendly approved