Double-shield TBM

Double-Shield TBM

Double-Shield TBM

CRCHI makes full use of CRCC’s abundant tunnel construction experience, in the field of TBM, developed its own advanced system integration and manufacturing technology, attended the National 863 Planning TBM science & technology support project. Now CRCHI has already fully acquired TBM’s technology of designing, manufacturing and application.
According to different geology condition, the designing proposal provided by CRCHI’s R & D can satisfy geology adaptability, using economical efficiency and product reliability. CRCHI can provide excellent after-sales service and technical support.
Double-shield TBM is widely used in rocky condition, it is not only applicable for stable hard rock stratum, but also for unstable soft rock stratum.
6m Class Dual-shield TBM Main Technical Parameter:

ItemParameter
shield length10.5 m
total length145 m
Min. curve radius500 m
Min. curve radius3 blocks
excavation diameter6540 mm
replacement of cutterback-mounted type
total power2860 kW
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