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AT – GRP Injection System

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Drainage and injection drilling systems

AT – GRP Injection System

Tube length
1 - 3 m
System
Self-drilling system with glass fiber reinforced casing pipes
Application field
For ground improvement and waterproofing in jointed rock and weak ground conditions.

The AT-GRP Injection System is a self-drilling solution using glass-fiber-reinforced pipes for ground improvement or waterproofing, especially where steel is not desired or where TBMs will later excavate the pipes. It offers flexible installation in both jointed rock and weak ground, with adaptable tube lengths and compatibility with standard drilling equipment and TBM setups.

Features

System components

AT – unit and tube

  • AT – Starter Unit with drill bit
  • AT – GRP Extension Tubes

Adapter

  • Drill bit adapter
  • Coupling adapter and drill rods

Other

  • Aluminum coupling
  • Grouting plug with ball valve

Product specifications

Tube length
1 - 3 m
System
Self-drilling system with glass fiber reinforced casing pipes
Application field
For ground improvement and waterproofing in jointed rock and weak ground conditions.
Ready-for-use AT-GRP Injection System
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