PRODUCT SOLUTION

Crystalline Waterproofing
Waterproofing & Repellants
Elastomeric Coating / Membranes
Cementitious Waterproofing
Joint Waterproofing
Water Repellents
Green Roofs
Injection Systems
Leak Sealing
Crack Sealing & Waterproofing
Structural foams, Slablifting & Soil Stabilization
Rail Embedment Epoxy & Polyurethane Grout
Underground Construction & TBMs
Hard Rock Tunnelling
Waterproofing of Hard Rock Tunnels
Spray Membrane
TBM & Precast Concrete Segment Lined Tunnels
Solutions for Tunnel Boring Machines
Foams and Polymers
Tail Seal Sealants
Injection Solution
Back Filling Grouts
Cormix Accessories and Seals For Precast Concrete Segments
Solutions for Hard Rock Tunneling
Concrete Lining Solutions
Concrete Accessories for Tunnel Lining
Cormix Shotcrete Solutions
Injection Ground stablisation, consolidation and Waterstopping
Ground Consolidation and soil stabilization
Polyurethane Resins
Polyurethane Gels
Epoxy Resins
Rock Anchoring Grout
Concrete and Shotcrete Admixtures
Concrete Admixture
Shotcrete Admixture
Concrete Repair
Explore Our Product Range
Cement Based
Epoxy Based
Bonding Agent
Anchoring
Steel Corrosion Protection & Corrosion Inhibitiors
Explore by type of structure
MARINE AND COASTAL STRUCTURES
UTILITIES AND HEAVY INDUSTRY
CIVIL ENGINEERING AND INFRASTRUCTURE
BUILDINGS
Structural Repair & Strengthening
Concrete Protection
Grouts
Cementitious
Epoxy
Polyurethane Elastomeric Grout
Drilling Fluid Additives and Bentonite
Joint Sealants & Waterstops
Joint Sealing & Waterproofing
Joint Sealing
Joint Primers and Accessories
Concrete Accessories
Curing Compound & Mould Oils
Surface Retarders & Bond Breakers
Bonding Agent
Flooring Polyurethane & Epoxy
Polyurethane Systems
Epoxy Systems
Floor Hardeners
Slab lifting and Soil Stabilization
Slab Lifting
Soil Stabilization

BACK FILLING GROUTS

Cormix supplies a number of solutions for TBM back filling depending on the specific requirements .

After the installation of the precast concrete segments a gap remains between  the segments and the ground The filling of this void is important to ensure contact with the ground transferring loads and to help the waterproofing of the tunnel .

Cormix provides a complete range of materials for the cavity grout :

SOLUTIONS

PRODUCTS
DESCRIPTION
Technical Data Sheet
  • CORMIX P20

Stabilizer

  • CORMIX LA1

Activator

  • CORMIX PILECON

Sodium Bentonite

  • CORMIX SF1

Silica Fume

Grouting behind tunnel lining – Use Cormix P20 & Cormix LA1

Back fill_1
Black fill_2
Share