Solutions for Ground and Water Challenges During Tunnel Boring with TBM

Solutions for Ground and Water Challenges During Tunnel Boring with TBM

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

Waterproofing of the sealing ring tunneling

QUELLFLEX®

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
PUR-O-STOP

1-component injection resin

  • Stopping of inrushing water
  • Filling of small voids ( < 300 liters)
  • Consolidation of soil / open rock formation
PUR-O-STOP FS

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)
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
RUBBERTITE®

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

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

Adjustable, low viscous, quickly reacting 3-component 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

Sealing While Driving the Tunnel Boring Machine

Sealing while driving the Tunnel Boring Machine

PUR-O-STOP FLEX

  • Stable, flexible foam
  • For stopping running water

FOAM SEAL

  • Very quick foaming reaction, 30 sec.
  • Foaming ratio 60
  • Flame-retardant
PUR-O-STOP FLEX

1-component highly flexible injection resin based on polyurethane

  • Stopping of inrushing water
  • Stable, flexible foam
FOAM SEAL PLUS

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 cavern

Filling and solidification of cavern

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

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) and Consolidation
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
PUR-O-STOP FS-F

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

  • Extremely fast reacting
FOAM SEAL PLUS

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
SOLID SEAL

Silicate resin

  • Non-foaming
  • Ridged to tough elastic
  • Displaces water without foaming
SOLID SEAL SL

Injection resin based on silicate

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

Filling and solidification of geological formations

Filling and solidification of geological formations

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

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) and Consolidation
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
PUR-O-STOP FS-F

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

  • Extremely fast reacting
FOAM SEAL PLUS

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
SOLID SEAL

Silicate resin

  • Non-foaming
  • Ridged to tough elastic
  • Displaces water without foaming
SOLID SEAL SL

Injection resin based on silicate

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

Soil stabilization and waterproofing for a Tunnel Boring Machine

Ground stabilization – Gas Pipeline in Nature Conservation Area (Tunnel Boring Machine)

Acrylate Gel

  • Very low viscous acrylate gel with high flexibility
  • Adjustable to soil conditions
  • Groundwater friendly approved
RUBBERTITE®

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

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

Silicate Resin

  • Self compacting due to high foaming factor
  • Flame-retardant
FOAM SEAL PLUS

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

Annulus gap grouting

Annulus gap grouting

Piling Injection Spear
  • Length 1000mm
  • External G1/4″ Thread

Acrylate Gel

  • Waterproof up to 12 bar
  • Groundwater friendly approved
  • High chemical resistance
RUBBERTITE®

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

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