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Tieback Assemblies

Tiebacks are an essential solution for stabilising retaining walls and resisting lateral loads. At Helical Piles Australia, we supply engineered helical tieback systems that deliver strength, reliability, and fast installation in even the most confined or challenging job sites.

What Are Tiebacks?

A tieback is a tension-resisting anchor system used to reinforce walls and improve structural stability. It consists of a steel shaft or rod that is installed horizontally or at an angle into the earth. One end is secured to the retaining wall or structure, while the other is embedded deep enough into the soil to generate resistance.

Helical tiebacks can be used in both new construction and remedial repairs. Depending on the project, tiebacks may be installed as a permanent stabilisation system or as a temporary measure during excavation and shoring.

When Are They Used?

Helical anchors are the go-to solution when standard foundations are not suitable. They are particularly effective in areas with poor soil, high water tables, or where moisture exposure is prolonged. These anchors provide a deep foundation alternative when traditional footings cannot achieve the required load-bearing capacity or durability.

Key Benefits

No excavation required
Works in tight spaces
All-weather installation
Immediate load-bearing
Cost-effective
No concrete needed
Suitable for temporary or permanent use

Installation Process

Helical tiebacks are typically installed using a small-diameter shaft, driven into the ground at a 15 to 45-degree angle. They may be screwed directly into the soil between foundation piles or connected to a wall-mounted bracket. Installation requires minimal equipment and leaves no mess behind, making it ideal for sensitive environments or quick turnarounds.

What Is the Purpose of a Tieback?

The primary function of a tieback is to transfer tensile forces from a structure to the surrounding stable soil. They are especially useful in scenarios where lateral pressure, soil movement, or groundwater could compromise structural integrity. Tiebacks enhance holding strength and provide ongoing resistance to both movement and load shifts.