Innova Inno vating ting long long te tend ndon on te techn hnolog ology ACARP Roadway Development Operators’ Workshop October 2011 www.hilti.com 1 www.hilti.com 1 HTT Cable Bolt/ Long Tendon System | 2011 | Hilti Mining
Co Cont nten ents ts Hilti Ground Control Product idea / origin Product features Installation www.hilti.com 2 HTT Cable Bolt/ Long Tendon System | 2011 | Hilti Mining
Hi Hilt lti i Mi Mining ning – a worldwi a worldwide de p prese resenc nce Company HQ Liechtenstein dark red : Established Hilti Mining Key Markets; orange : Current Business build-up www.hilti.com 3 HTT Cable Bolt/ Long Tendon System | 2011 | Hilti Mining
The Th e Hi Hilt lti i Mi Mining ning pac packa kage ge - ove overview rview Surface Construction Underground Infra- Ground Control Underground & Operations structure & Utility Systems Production Drilling • Mine infrastructure • HOS OneStep & HTS • TE MD20 electric rock System solutions • Mine development • Mines & quarries TwoStep rock bolts drill system • Utility work • Processing plants • HTT long tendons • HFD fiber & HES expansion shell bolts • HMS mining screws • Handheld & portable bolting drill systems Best in class productivity partner • mining competence • system approvals & specifications • productivity consulting • mine-specific customizations • direct sales approach • service and AMS www.hilti.com 4 HTT Cable Bolt/ Long Tendon System | 2011 | Hilti Mining
Hil Hilti ti grou ound nd co contr ntrol sys ol system tems Hilti Tendon Technologies (HTT) Hilti Cable Bolts Developed with NSW mines to allow high SPEED automated installation off the drill rig with maximum Hilti SAFETY (since 2010) HFD Thrust Dowels HOS Hilti HMS One Step resin Hilti bolt Mining HFD-T Torque- (steel) Screws Tension Dowels www.hilti.com 5 HTT Cable Bolt/ Long Tendon System | 2011 | Hilti Mining
Hi Hilt lti i HTT HTT-UX UX c cab able le bo bolt lt key key f fea eatures tures 1. Extra long threaded section MAXIMUM INSTALLATION SUCCESS RATE 2. Patented key way system NO UNWINDING of the strand 3. Rippled spherical washer (dome ball) Torque tension OPTIMAL LOAD TRANSFER TO PLATE system allowing: 4. Optional: tension indicator • Complete install PRETENSION QUALITY CONTROL off the drill rig 5. Protected ball bearing MINIMUM FRICTION/ MAXIMUM PRETENSION • Minimum operator manual 6. 12 point nut interference INSTALLABE THROUGH 80mm HEADPLATES • No hydraulic tensioner 7. Barrel & wedge anchorage HIGH PERFORMANCE ANCHORAGE 8. 58t UTS 19wire strand SMALL BOREHOLE (28mm) + LOBSTER FRIENDLY www.hilti.com 6 HTT Cable Bolt/ Long Tendon System | 2011 | Hilti Mining
Th The e Hi Hilt lti i HTT HTT ca cable ble bo bolt lts HTT-UX HTT-UXG Point-anchored Bottom-up post-groutable torque-tension torque tension bolt bolt • Self-sealing NO EXTRA HOLE PACKING/ + SEALING post- grouting • Self-breathing strand NO EXTRA BREATHING OR GROUT TUBES 28mm SMALL BOREHOLE www.hilti.com 7 HTT Cable Bolt/ Long Tendon System | 2011 | Hilti Mining
Ins Installation tallation an and d ten tension sioning ing off the off the miner miner – Safe, Sa fe, simple simple an and d reli reliab able le Installation complete Torque- tension cable Insert + spin cable Insert resin Attach plate Drill & ream hole Postgrout (optional) www.hilti.com 8 HTT Cable Bolt/ Long Tendon System | 2011 | Hilti Mining
HTT HTT syste system a m adva dvanta ntage ges s at a t a g glanc lance Improved Safety Immediate support after installation Eliminates the need for hydraulic tensioners Simple, Fast and Reliable Installation Complete installation with continuous miner or hand held rigs 6-12t pretension with standard motors, 12-25t using torque multipliers Unique Grouting Solution - UXG Post Groutable Cable Effective and reliable connection system for quick and efficient bottom-up grouting Fully groutable in 28mm holes – significantly reducing grouting time and grout volume Self-breathing strand – no grout tubes, no breather tubes, no extra cable hole sealing www.hilti.com 9 HTT Cable Bolt/ Long Tendon System | 2011 | Hilti Mining
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