Gripper TBM
Gripper TBM
Gripper TBM
Gripper TBM is usually applied to bore hard rock. As it is equipped with steel rib erector, shotcrete anchor and effective supports, gripper TBM can also be used in soft-rock tunnel. Gripper TBM is suitable for rocks with UCS50-300MPa, RQD 10%-100% and joint exceeding 0.6.
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