Germany
Refilled coalmine
Two hidden dams, depth 56 m
Working radius 45 m
Compaction 2000 to 4000 m³/h
Two cranes 550 tons, mast 86 m
Two new Vibroflot V 500, 212 kW
Plug System 406 mm
Follow up tubes with 2 internal canals
No welded tubes outside
24 Jets at the lower end
Compaction depth 56 m
Working radius 45 m
No point pins, adjusting by computer and GPS +- 2 cm
Control panel with frequency
transformer and computer control for:
- Running direction
- Ampere-Time curve for starting
- Maximum working Ampere
- Speed
Lifting up in steps or continue, controlled by time or Ampere or both