Belt conveyor for TBM tunnel

DBT AMERICA has won an order from a US construction company to supply two belt conveyor systems being used to support its tunnel boring machines (TBMs).
Belt conveyor for TBM tunnel Belt conveyor for TBM tunnel Belt conveyor for TBM tunnel Belt conveyor for TBM tunnel Belt conveyor for TBM tunnel

DBT's alignment-free drive as used in the Atlanta tunneling project

Staff Reporter

Atlanta CSO Constructors, a joint venture between Obayashi and MassAna, is constructing two Combined Sewage Overflow (CSO) tunnels for the city of Atlanta in Georgia.

 

Passing through fine to medium-grained gneiss, the tunnels, with a finished diameter of 24 feet, will be 21,013ft and 23,425ft in length.

 

Each DBT Continuous Muck Haulage System will have a belt width of 36 inches and have approximately 23,000ft of idlers and structure.

 

Each belt conveyor is equipped with an advancing tailpiece, 6 x 200 HP drives, a remote discharge and an AC electric winch storage unit. The system has a capacity of 800 tons per hour.

 

The belt systems are scheduled for an initial delivery in June 2005, with tunneling scheduled to start in July/August 2005.

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