Proposals were made for the following purposes: Stabilization of tunnel mouths, reinforcing tunnel supports, and stabilizing tunnel faces.
JETCRETE (proprietary technology) SUPERJET (proprietary technology) X-JET (proprietary technology) COLUMNJET (proprietary technology)
Dynapress (proprietary technology) PneumaX (proprietary technology) Double pipe strainer Double packer
Passcrete (proprietary technology)Chipshot (proprietary technology) Biosol (proprietary technology) Ring netFree Frame
Super MC anchor / Mighty MC anchor (proprietary technology)KJS anchorKTB anchor
TH Piperoof