When it comes to earth retention and resisting tension, helical tiebacks deliver across a wide variety of challenging applications. From bulkheads and permanent and temporary retaining walls and uplift resistance, helical anchors provide a predictable and high-capacity solution for contractors and engineers.
Helical anchors are driven into the soil using specialized equipment until a predetermined installation torque is achieved. This torque provides a reliable index for confirming the anchor’s ultimate tensile capacity. Along with tension load testing, offering engineers a highly predictable and measurable foundation solution.
Versatile Applications for Helical Tiebacks
Helical tiebacks are engineered to resist tension loads in diverse environments. Common applications include:
- Bulkhead and seawall support, offering superior corrosion resistance and ease of installation in confined or marine environments
- Highway and roadway retention, essential for stabilizing temporary and permanent retaining walls and noise barriers, often near active traffic lanes, where minimizing disruption is critical
- Environmental excavations and temporary shoring
- Uplift resistance for structures and tower foundations
Whether the project involves permanent earth retention or temporary tiebacks for deep excavations, helical systems provide immediate load-bearing capacity and a clean, efficient installation process.
The Helical Advantage: Clean, Fast, and Predictable
Helical tieback systems offer distinct advantages over traditional methods, such as deadmen or grouted anchors. Unlike those systems, which often require large equipment and generate significant spoils, the helical system is screwed directly into the ground using available excavator-mounted drive equipment.
This installation process is low-vibration, minimizing disturbance to adjacent structures and allowing for immediate loading upon installation without the cure time associated with concrete or grout. The ease and speed of installation result in shorter project timelines and reduced overall labor costs.
A History of Longevity and Sustainability
The concept of using helical technology in deep foundations boasts a deep history of sustainability and longevity. The predecessors to modern helical anchors, known as “screwpiles,” were first used to support lighthouses in tension and compression in the mid-19th century. Many of these original structures are still functioning today, even in harsh, corrosive saltwater environments. This two-century-old, proven durability is a clear testament to the reliable, long-term performance and sustainability of the product.
Danbro’s Approach: Products, Service, and Support
At Danbro, supporting contractors means providing more than just high-quality IDEAL Foundation Products. We are committed to supporting our partners through every phase of a project, which includes offering in-house engineering, site support and expedited delivery services. This dedicated delivery approach, managed by personnel like Melanie LaBletta, allows Danbro to minimize project delays and better control costs and timelines for our customers.
As President Frank D’Angelo notes, “We help our customers strategize to win projects and assist them on site, if needed. If our customers succeed, we succeed, pure and simple.” For tieback projects, this partnership often includes technical assistance with tieback type, helical configurations, and termination options tailored to specific site conditions.
Danbro Delivers… Products, Service, & Support.
Contact Information
Got a tieback project? Let’s talk.
Email: info@danbro.com
Phone: (215) 271-7700
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