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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 Diameter15.08 m
Total Length175 m
Machine Weightapprox. 3,900 t
Cutterhead Power6,800 kW
Cutterhead Torque45,000 kNm
Max Thrust Force210,000 kN
Rock Strength (UCS)40 – 180 MPa
Suitable GeologyShale, sandstone, basalt, and high-stress rock burst zones

Technical Specifications

Specification ParameterTechnical Value
Excavation Diameter15.08 m
Total Length175 m
Machine Weightapprox. 3,900 t
Cutterhead Power6,800 kW
Cutterhead Torque45,000 kNm
Max Thrust Force210,000 kN
Rock Strength (UCS)40 – 180 MPa
Suitable GeologyShale, sandstone, basalt, and high-stress rock burst zones

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.