Convertible TBM (Dual Mode)
Adaptable to any varying ground challenge
The performance of an Open Mode TBM, combined with the control of EPB TBM, the Convertible TBM allows you to mine through more complex ground conditions.
The unique cuttinghead design and material loading enable our Convertible TBMs to excavate the ground efficiently in Open or EPB modes. Downtime is reduced by removing/installing loading plates to convert between modes. Tunnel Boring Machines can either be equipped with Belt and Screw option, or Belt or Screw option. Offers flexibility of installing different primary linings as the rock changes, inclusive of steel ribs and pre-cast concrete segments
Time required for TBM mode changeover ranges from multiple shifts to a couple of weeks (in the case of a Belt or Screw configuration).