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SOFT GROUND EARTH PRESSURE BALANCE
CUTTERS

COMPETENT HARD ROCK MAIN BEAM

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Description

Robbins Hard rock TBMs and Cutters have excavated more hard rock than all of our competitor combined, holds 94% of all world records for high speed tunnel excavation with variance of Diameter from 3 -12m with proven track records  TBMs D.5-6m <99m/day>, D.7-8m <115m/day>, D.9-10m <74m/day>, D.10-11m <48m/day>, D.11-12m <30m/day>.