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Drill-Tech - Tieback Anchors
Drill Tech Drilling & Shoring, Inc. is an industry leader in ground anchor solutions. Our ground anchor drill rig fleet consists of several dozen machines, including conventional Klemm 803, 806 and 807 tieback machines, an 80-foot stroke “rocket launcher” drill, and custom-built, excavator- and forklift-mounted, crane-suspended drill basket platforms. Drill Tech Drilling has successfully installed ground anchors in every imaginable type of ground, with design loads in excess of 2,000 kips and lengths in excess of 300 feet.
The bonded portion of a tieback is the length of the tendon bonded to the anchor grout and transmits the applied tensile load into the ground. The unbonded length is the portion of the tendon that is free to elongate and transfer the resisting force from the bond length to the anchorage. Tieback anchors can be corrosion protected with epoxy coating or corrugated plastic sheathing to provide a permanent service life. For temporary shoring applications, bare strand or bar can be used.
- Soldier Pile Retaining Structures and Shoring Systems
- Slope and Landslide Stabilization
- Anchored Shoring Systems Including CSM, Sheet Piles, and Secant Piles
- Rock Anchors
- Existing Retaining Wall Retrofits
- Additional Lateral Support for New Foundations