Technical Tunnelling Components www . ttcltd . org
Manufacturers and suppliers of quality assured segment accessories worldwide
dowelock
• Connection
• alignment
• shear
bolting systems
• Connection bolts
• straight bolts & sockets
• curved bolts
Grout / Lifting Sockets and Accessories
• grout plugs
• Non Return Valves
• Hydrophilic Seals
• extension tubes
segment packers and complementary products
• Alignment Dowels
• Guide rods
• hole formers
• segment spacers
Bespoke Solutions
• In house design
• Computer simulation
• 3D modelling