Atlas Copco introduces new Roofex Rock Bolt
Atlas Copco has introduced new rock bolt that adapts to large ground movements. This new Roofex rock bolt perfectly adapts large rock mass movements, while maintaining a constant load capacity. It works in high rock mass stress conditions in underground excavations where there has always been a serious challenge for rock bolting systems.
Atlas Copco’s commitment to safer and more productive solutions in rock reinforcement has resulted in Roofex, a highly advanced rock bolt designed to dissipate high amounts of rock mass deformation energy. The deformation process can be almost static like in the case of large displacements in yielding ground, or it can be extremely sudden and violent as in the case of rock burst or seismic events.
Roofex is designed to accommodate the whole spectrum of rock mass movement, with accurate pre-set deformation behaviour. The new Roofex bolt system is based on a steel-steel interaction with a high quality steel bar travelling through a patented energy absorbing element fixed with resin or cement grout inside the borehole, providing a reliable and constant load capacity during yielding.
The Roofex bolt is produced in standard lengths typically used in mining and tunnelling, and the displacement capacity is pre-set to order during manufacturing.
Along with the Roofex concept there are two types of monitor bolts available, which allow for direct visual monitoring of rock mass movement and hence provide predictability to the rock reinforcement system.
Atlas Copco
Unitech Cyber Park, Tower "C"
Ground Floor, Sector 39, Sohana Road
Gurgaon -
Haryana
Contact Person :
Monish Kakkar
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