Since the early seventies of last century Eickhoff Roadheaders
achieved uncountable references and proved their economicalness
on-the-job around the globe.
Coal:
|
22 m advance per day
in 22 m2 cross-section
|
Potash:
|
200 tonnes per hour
|
Gypsum:
|
More than 250 tonnes per hour
|
Lead-Zink Ore:
|
1000 tonnes per day from underground
|
Salt:
|
125 tonnes per hour by 110 kW cutter
head
|
Railway tunnel:
|
1038 m of 50 m2 cross-section in
1050 hours
|
Sewer tunnel:
|
22 m advance per day in 12.5 m2
cross-section of up to 100 MPa compressive strength
|
Subways:
|
60 m per day invert excavation
on retreat
|
City tunnel:
|
40 m3 per hour in 115 m2 only 3
m under river bed in frozen ground
|
Communication tunnel:
|
Shield mounted cutter boom in 9,1
m2
|
