Station redevelopment

Proposals were made for the following purposes: Stabilization of excavated areas and preventing rising of completed structures.

Station redevelopment

1Improving strength of areas directly below the main structure, temporary footing beam, and water cutoff: Jet Grouting

JETCRETE (proprietary technology) SUPERJET (proprietary technology) X-JET (proprietary technology) COLUMNJET (proprietary technology)

2Earth retaining walls and bearing piles: Diaphragm wall and Bored cast-in -place piles

RC Diaphragm wall CRM Pipedrill BCH (Bottom Circulation Hole)

3Support for earth retaining walls and preventing uplifting of the main structure: Ground anchor

Balloon Body Anchor (proprietary technology) Super MC anchor/Mighty MC anchor (proprietary technology) High water pressure resistant anchor KJS anchor KTB anchor