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waterproofing during tunnel boring

Sealing of concrete block sealants in the launch- and target-shaft of a Tunnel Boring Machine


Waterproofing of the sealing ring tunneling

TECHNO-Swell V

One component, hydrophilic sealing compound

  • Waterproofing in breakthrough of concrete blocks
  • Sealing of pipe breakthroughs
  • Additional sealing of tunneling pipes or concrete parts

Build up of sealing blocks for tunneling

Build up of sealing blocks for tunneling

  • Penetrates even into fine sandy soils
  • Durable sealing and consolidation in one step
  • Adjustable to soil conditions

TECHNO-Injection 210

1-component injection resin

  • Stopping of inrushing water
  • Filling of small voids ( < 300 liters)
  • Consolidation of soil / open rock formation

TECHNO-Injection 270

Very quickly reacting, from ridged to tough elastic, 2K polyurethane resin, which foams up in contact with water

  • Stopping of inrushing water
  • Filling ( < 300 liters)

TECHNO-Injection 270 L

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

  • Groundwater friendly approved

TECHNO-Injection 306

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

  • Very low viscous
  • Very good penetration
  • Proven stability of at least 16 years

TECHNO-Injection 305

Adjustable, low viscous, quickly reacting 3-component acrylate gel

  • Quickly reacting

TECHNO-Injection 310

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

  • Low viscous
  • Very good penetration
  • High final strength

Sealing While Driving the Tunnel Boring Machine

TECHNO-Injection 230

1-component highly flexible injection resin based on polyurethane

  • Stopping of inrushing water
  • Stable, flexible foam

TECHNO-Injection 520 P

Fast-reacting, slightly flexibilized, strongly expanding injection foam based on silicate resin, contains flame retardants

  • Filling of cavities in mining, civil engineering and tunnel construction
  • Consolidating rock
  • Stopping of water ingress
  • Self-compacting due to high foam factor

Filling and solidification of geological formations

  • Durable sealing and consolidation in one step
  • Extremely rapid reaction times
  • Catalyst FS-TX for thixotropic adjustment

TECHNO-Injection 270

Very quickly reacting, from ridged to tough elastic, 2K polyurethane resin, which foams up in contact with water

  • Stopping of inrushing water
  • Filling ( < 300 liters)

TECHNO-Injection 270 L

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

  • Groundwater friendly approved

TECHNO-Injection 270 F

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

  • Extremely fast reacting

TECHNO-Injection 520 P

Fast-reacting, slightly flexibilized, strongly expanding injection foam based on silicate resin, contains flame retardants

  • Filling of cavities in mining, civil engineering and tunnel construction
  • Consolidating rock
  • Stopping of water ingress
  • Self-compacting due to high foam factor

TECHNO-Injection 510

Silicate resin

  • Non-foaming
  • Ridged to tough elastic
  • Displaces water without foaming

TECHNO-Injection 510 SL

Injection resin based on silicate

  • Non-foaming
  • Displaces water without foaming
  • Low viscosity
  • High fluidity

Soil stabilization and waterproofing for a Tunnel Boring Mac

Ground stabilization – Gas Pipeline (Tunnel Boring Machine)

TECHNO-Injection 306

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

  • Very low viscous
  • Very good penetration
  • Proven stability of at least 16 years

TECHNO-Injection 520 P

Fast-reacting, slightly flexibilized, strongly expanding injection foam based on silicate resin, contains flame retardants

  • Filling of cavities in mining, civil engineering and tunnel construction
  • Consolidating rock
  • Stopping of water ingress
  • Self-compacting due to high foam factor

Piling Injection Spear

  • Length 1000mm
  • External G1/4″ Thread

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