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Innovations in Rock
Reinforcement
Innovations in Rock Reinforcement
PRESENTATION CONTENTS
History of Tunnel Bolting
Current Technology in Tunnel Bolting
Current Innovations in Tunnel Bolting
Future
Q & A
Bluey Technologies Pty
Ltd is a supplier of
construction products
for major
civil engineering
infrastructure works.
Our operations now
span Australia, New
Zealand
and South East Asia.
History of Tunnel Bolting
Major Tunnel Projects in
Australia
Sydney Harbour Tunnel
M2
Eastern Distributor
M5
Cross City Tunnel
Lane Cove
Innovations in Rock
ReinforcementHistory
Major Tunnel Projects in
Australia
Epping - Chatswood
Eastlink
Airport link
NCX
WCX
Innovations in Rock
ReinforcementHistory
Evolution of Bolting
Black Resin Bolts - Sydney Harbour
Expansion Shell/Blk Bolt/Gal Plate -
M2
Heat Sheathed bar/couplers/shell - ED
Epoxy Bar/shell - ED
M5 - DCP Bolts
Innovations in Rock
ReinforcementHistory
Evolution of Bolting
DCP Bolts - Cross City
DCP Bolts/Bolter/handle bar plates -
Lane Cove
Resin Bolts - EastLink
DCP Cable Bolts Epping- Chastwood
Innovations in Rock
ReinforcementHistory
Current bolting
DCP bolts - Remote install and
grouting
DCP Cable Bolts
Black Bar / Sheathing / Expansion
Shell
SS Grouting bells / isolation / Grout
Innovations in Rock
ReinforcementCurrent
Current Innovation
Low Profile Rigid Bolt
GRP Temporary bolts
DCP Cable Bolts
Innovations in Rock
ReinforcementCurrent
BluGeo LP Tunnel Bolt
Low Profile
Safest remote installation
Easy and reliable testing
Waterproof membrane compatibility
Extendable for M&E or spider plates
Temporary, DCP or stainless option
Innovations in Rock
ReinforcementCurrent
BluGeo LP Tunnel Bolt - DCP
Low Profile
Black, Gal, Stainless steel
combinations
Safest remote installation
Sheathing - RMS Conformance
Resin or shell anchored & post grouted
Innovations in Rock
ReinforcementCurrent
BluGeo DCP Cable Bolt
Low Profile
Black, Gal, Stainless steel
combinations
Safest remote installation
Sheathing - RMS Conformance
Shell anchored & post grouted
Innovations in Rock
ReinforcementCurrent
BluGeo DCP Cable Bolt
30T and 60T capacity bolts
No spinning of cable for pre-tension
Latest technology and design
Innovations in Rock
ReinforcementCurrent
BluGeo GRP60 - GRP Bolt
Remote Jumbo installation
Easy and reliable testing
Temporary or permanent option
Expansion Shell and post grouted
Cuttable
Innovations in Rock
ReinforcementCurrent
Current Challenges
Supported ground
Speed of install
Larger tunnels
Design life
Equipment
Experience
Innovations in Rock
ReinforcementCurrent
Current Challenges
Unsafe manual handling
Wasted shotcrete to cover tails
Additional excavation required for
cover
Water leakage around bolt heads
Innovations in Rock
ReinforcementCurrent
Future Innovation
Stainless Steel
GRP/CFRP Permanent bolts
Composites
Remote install of Cable Bolts
Elimination of sheathing and DCP
Innovations in Rock
ReinforcementFuture
Future Challenges
Design
Approvals
Equipment
Collaboration between
Suppliers/Designers/Equipment/Constr
uction
Time
Innovations in Rock
ReinforcementFuture
THANK
YOU
