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PAR1 Pumpable Bolt
The PAR1 Pumpable is a rockbolt designed for use with pumpable resin to suit a range of applications from quasi-static through to dynamic and squeezing ground conditions.
High yield capacity
High energy absorption
Tolerates Percussion
The PAR1 Pumpable is a rockbolt designed for use with pumpable resin to suit a range of applications from quasi-static through to dynamic and squeezing ground conditions.
High yield capacity
High energy absorption
Tolerates Percussion
The PAR1 Pumpable Bolt is a rockbolt for encapsulation using pumpable bulk resin. The bolt is designed to absorb energy within squeezing and dynamic ground conditions. The unique injection seat and nozzle design includes radial seals which allow the use of percussion when installing the PAR1 Pumpable Bolt without damaging nozzle seals. The radial seals are integrated into the head of the PAR1 Pumpable Bolt so that each bolt is installed with fresh seals, negating the need for seal maintenance on the grouting nozzle.
During installation, the PAR1 Pumpable Bolt is inserted into a pre-drilled hole and the resin is then pumped through the injection seat on the head of the bolt. The resin flows up the inner annulus of the steel sleeve to the distal end of the hole, before filling the hole back to the collar to achieve full encapsulation. Paddle sets on either end of the bolt form a mechanical interlock with the cured resin to anchor the bar in place, resulting in a consistent load-displacement profile defined by the engineered mechanical properties of the bar.
* Based on 2.4 m length rockbolt |
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