Special-shaped TBM
Multifunctional Tunnel Boring Machine for Loess Tunnel
The multifunctional loess TBM integrates excavation, support and spoil removal in a single platform, purpose-built for loess tunnel construction. It provides advance support, conforms to special-shaped sections and handles adverse ground, with construction methods configured to suit project geology.

Configuration and engineering
Every CRCHI TBM is engineered to project. Shield diameter, cutterhead geometry, drive power, segmental ring design and back-up arrangement are configured to the alignment, ground conditions and water pressure of the drive. Project-specific scope beyond the standard envelope is engineered to brief, and where a drive calls for it, a machine is developed from the ground up. CRCHI Australia is the engineering, commercial, commissioning and aftermarket point of contact for Australian projects.
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