抄録
This report shows the tunnelling machine movement mainly for civil engineering works in Japan.
In these twenty years, various new tunnelling technology has been developed under the strong demands to utilize underground space of cities.
3 typical tunnelling machines-open TBM, EPB shield, Slurry type shield are introduced in this report.
Technical trends of tunelling machines are;
(1) Large diameter/deep location/long distance excavation
(2) Free sectional area (double circular, ellipse, changeable diameter, etc.)
(3) Start and docking technique
(4) Curve excavation
(5) ECL (Extruded Concrete Living)
(6) Automation
Acontinuous developing movement of tunl/elling machine hereafter can be predicted
