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 P20

Stabilizer

• CORMIX LA1

Activator

• CORMIX PILECON

Sodium Bentonite

• CORMIX SF1

Silica Fume