Innova Inno vating ting long long te tend ndon on te techn - - PowerPoint PPT Presentation

1 www.hilti.com HTT Cable Bolt/ Long Tendon System | 2011 | Hilti Mining www.hilti.com 1

Inno Innova vating ting long long te tend ndon

• n

te techn hnolog

• logy

ACARP Roadway Development Operators’ Workshop October 2011

2 www.hilti.com HTT Cable Bolt/ Long Tendon System | 2011 | Hilti Mining

Co Cont nten ents ts

Hilti Ground Control Product idea / origin Product features Installation

3 www.hilti.com 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

dark red: Established Hilti Mining Key Markets; orange: Current Business build-up

Company HQ Liechtenstein

4 www.hilti.com HTT Cable Bolt/ Long Tendon System | 2011 | Hilti Mining

Underground Production Drilling

• TE MD20 electric rock

drill system

• Handheld & portable

bolting drill systems

Th The e Hi Hilt lti i Mi Mining ning pac packa kage ge - ove

• verview

rview

Best in class productivity partner

• mining competence
• productivity consulting
• direct sales approach
• system approvals & specifications
• mine-specific customizations
• service and AMS

Underground Infra- structure & Utility

• Mine infrastructure
• Mine development
• Utility work

Surface Construction & Operations

System solutions

• Mines & quarries
• Processing plants

Ground Control Systems

• HOS OneStep & HTS

TwoStep rock bolts

• HTT long tendons
• HFD fiber & HES

expansion shell bolts

• HMS mining screws

5 www.hilti.com HTT Cable Bolt/ Long Tendon System | 2011 | Hilti Mining

Hil Hilti ti grou

• und

nd co contr ntrol sys

• l system

tems

HOS Hilti One Step resin bolt (steel) HFD Thrust Dowels HFD-T Torque- Tension Dowels HMS Hilti Mining Screws

Hilti Tendon Technologies (HTT) Hilti Cable Bolts Hilti (since 2010)

Developed with NSW mines to allow high SPEED automated installation off the drill rig with maximum SAFETY

6 www.hilti.com 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

• 3. Rippled spherical washer (dome ball)

OPTIMAL LOAD TRANSFER TO PLATE

• 4. Optional: tension indicator

PRETENSION QUALITY CONTROL

• 6. 12 point nut

INSTALLABE THROUGH 80mm HEADPLATES

• 7. Barrel & wedge anchorage

HIGH PERFORMANCE ANCHORAGE

• 2. Patented key way system

NO UNWINDING of the strand

• 1. Extra long threaded section

MAXIMUM INSTALLATION SUCCESS RATE

• 8. 58t UTS 19wire strand

SMALL BOREHOLE (28mm) + LOBSTER FRIENDLY

Torque tension system allowing:

• Complete install
• ff the drill rig
• Minimum
• perator manual

interference

• No hydraulic

tensioner

• 5. Protected ball bearing

MINIMUM FRICTION/ MAXIMUM PRETENSION

7 www.hilti.com HTT Cable Bolt/ Long Tendon System | 2011 | Hilti Mining

Th The e Hi Hilt lti i HTT HTT ca cable ble bo bolt lts

Bottom-up post-groutable torque tension bolt HTT-UX HTT-UXG Point-anchored torque-tension bolt post- grouting

+

• Self-sealing

NO EXTRA HOLE PACKING/ SEALING

• Self-breathing strand

NO EXTRA BREATHING OR GROUT TUBES 28mm SMALL BOREHOLE

8 www.hilti.com HTT Cable Bolt/ Long Tendon System | 2011 | Hilti Mining

Drill & ream hole Attach plate Insert resin Insert + spin cable Torque- tension cable Installation complete

Ins Installation tallation an and d ten tension sioning ing off the

• ff the miner

miner – Sa Safe, fe, simple simple an and d reli reliab able le

Postgrout (optional)

9 www.hilti.com 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

6-12t pretension with standard motors, 12-25t using torque multipliers

Simple, Fast and Reliable Installation

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 Effective and reliable connection system for quick and efficient bottom-up grouting

Unique Grouting Solution - UXG Post Groutable Cable Improved Safety

Immediate support after installation Eliminates the need for hydraulic tensioners Complete installation with continuous miner or hand held rigs