MACHINES AND EQUIPMENT
   Conventional tunnelling / NATM
   Drilling and blasting equipment (wheel / crawler / track)
   Pipe arch, barrel vault, anchor systems
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offer new   Item online since: 08-05-2007 on request 
Canopy Tube System for Tunnelling
Canopy Tube System for Tunnelling The special technology of canopy tube pipes are used in order to drive tunnels economically in poor ground conditions. Perforated pipes, which are subsequently grout injected, are drilled into the ...
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