Grade separation
Proposals were made for the following purposes: Stabilization of excavated areas and tunnels and protection of existing structures.
1Improving strength of areas directly below roads, precedent footing beam construction, and water cutoff: Jet Grouting
JETCRETE (proprietary technology)
SUPERJET (proprietary technology)
X-JET (proprietary technology)
COLUMNJET (proprietary technology)
2Preventing liquefaction of the ground directly below the main structure and water cutoff: Grouting Method
CurveX (proprietary technology)
PneumaX(proprietary technology)
Double pipe strainer
Double packer
3Improving strength of areas directly below roads and temporary footing beam: Mechanical Mixing
JACSMAN (proprietary technology)CDM
4Earth retaining walls and bearing piles: Diaphragm wall and Bored cast-in -place piles
RC Diaphragm wall
CRM
Pipedrill
BCH (Bottom Circulation Hole)
5Support for earth retaining walls: Ground anchor
Balloon Body Anchor (proprietary technology)
KJS anchor
KTB anchor
6Preventing collapse directly below existing structures and subsidence reduction: Jacking
Piperoof