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Self Driven Anchor

Self Driven Anchors (SDA) is a fully threaded steel bar which can be drilled and grouted into loose or collapsing soils without a casing. The bar features a hollow center for simultaneous drilling and grouting and a rope thread for connection to standard drill tooling. SDA forms a standard rope thread profile (R25 - R51, T76 has a trapezoidal thread). SDA can be installed into a variety of different soils and ground conditions ranging from sand and gravel to inconsistent fill, boulders, rubble and weathered rock, as well as through footings and base slabs.

Installation Advantages:

  • Ability to work with small drill rigs without casing in narrow spaces
  • Similar installation methods for all ground conditions
  • Simultaneous Drill and Grout Installation: Combines both operations into a single construction cycle, enabling high rates of production
  • No Casing Required: Can be installed into loose or collapsing soils without the need for a temporary casing to support the borehole
  • Rotary Percussive Drilling: Allows quick rates of installation, good directional stability and assists in the consolidation of the grout within the borehole