Method and apparatus for continuously boring and lining tunnels

Method and apparatus for continuously excavating shaft and tunne

Method and apparatus for controlling attitude of shield excavato

Method and apparatus for detecting collapse of natural ground in

Method and apparatus for formation of a tunnel lining

Method and apparatus for grouting of tunnel liners

Method and apparatus for modifying the cross-sectional profile o

Method and apparatus for the advancing of a sliding form

Method and apparatus for tunnelling

Method and device for controlling the trajectory of a shield-typ

Method and device for distributing pumpable thick matter into se

Method and device for driving a tunnel

Method for boring hole in the ground and apparatus therefor

Method for constructing a tunnel

Method for controlling the direction of a shield tunneling machi

Method for lining tunnel wall formed by shield excavation

Method for removal of broken ground

Method for the construction of long tunnel with a lining

Method for widening road, superhighway or railway tunnels,...

Method of and apparatus for building thin lining on tunnel