CREG Gaoji High Ground Stress Single Shield TBM
Designed specifically for high rock burst and squeezing ground conditions in deep mountain tunnels. Deployed in Georgia Kvesheti-Kobi Highway Tunnel (15.08m diameter).
Technical Specifications
| Excavation Diameter | 15.08 m |
|---|---|
| Total Length | 175 m |
| Machine Weight | approx. 3,900 t |
| Cutterhead Power | 6,800 kW |
| Cutterhead Torque | 45,000 kNm |
| Max Thrust Force | 210,000 kN |
| Rock Strength (UCS) | 40 – 180 MPa |
| Suitable Geology | Shale, sandstone, basalt, and high-stress rock burst zones |
Technical Specifications
| Specification Parameter | Technical Value |
|---|---|
| Excavation Diameter | 15.08 m |
| Total Length | 175 m |
| Machine Weight | approx. 3,900 t |
| Cutterhead Power | 6,800 kW |
| Cutterhead Torque | 45,000 kNm |
| Max Thrust Force | 210,000 kN |
| Rock Strength (UCS) | 40 – 180 MPa |
| Suitable Geology | Shale, sandstone, basalt, and high-stress rock burst zones |
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Frequently Asked Questions
What is the CREG Gaoji High Ground Stress Single Shield TBM engineered for?▾
Designed specifically for high rock burst and squeezing ground conditions in deep mountain tunnels. Deployed in Georgia Kvesheti-Kobi Highway Tunnel (15.08m diameter).
Does Global TBM Machinery provide onsite field engineering dispatch for operating the CREG Gaoji High Ground Stress Single Shield TBM?▾
Yes. Global TBM Machinery offers onsite assembly guidance, laser steering calibration, cutter replacement training, and 24/7 technical field support.
What is the manufacturing lead time and ocean shipping breakdown strategy for the CREG Gaoji High Ground Stress Single Shield TBM?▾
Standard manufacturing lead time is 60 to 90 days. Equipment is modularly disassembled for breakbulk ocean transport and heavy flat-rack containers.
What is the warranty period for the CREG Gaoji High Ground Stress Single Shield TBM?▾
We provide a 12-month or 5,000-hour operational warranty for main drives, hydraulic motors, and PLC systems, backed by rapid global spare parts dispatch.
How can I request a formal quotation for the CREG Gaoji High Ground Stress Single Shield TBM?▾
You can request a quote directly by clicking "Get a Quote", submitting an inquiry form on our Contact page, or emailing [email protected] directly.