Ground Support Equipment
AssemblyThe equipment that installs rock support as the tunnel advances. Roof drills, a ring beam erector, a mesh erector and a probe drill work in the L1 zone directly behind the roof shield, and shotcrete is sprayed from the backup in the L2 zone. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Ground Support Equipment
9 top-level lines as of r193982| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Roof Drill 3 parts | main-beam-tbm-roof-drill | 2× | 2 | 0 | assembly |
| 2 | Drill Ring Track | main-beam-tbm-drill-ring-track | 1× | 1 | · | part |
| 3 | Probe Drill | main-beam-tbm-probe-drill | 1× | 1 | · | part |
| 4 | Ring Beam Erector | main-beam-tbm-ring-beam-erector | 1× | 1 | · | part |
| 5 | Wire Mesh Erector | main-beam-tbm-mesh-erector | 1× | 1 | · | part |
| 6 | L1 Work Platform | main-beam-tbm-l1-platform | 1× | 1 | · | part |
| 7 | Shotcrete Manipulator | main-beam-tbm-shotcrete-manipulator | 2× | 2 | · | part |
| 8 | Shotcrete Pump 10 parts | shotcrete-pump | 1× | 1 | 0 | product |
| 9 | Grout Mixing and Pumping Plant 8 parts | grout-mixing-plant | 1× | 1 | 0 | product |