Ground anchors

Ground anchors are used wherever soil or structural stability is needed. Typical applications include:

• Excavation support – anchoring retaining walls such as sheet pile, cast-in-place, or diaphragm walls for deep excavations.
• Slope stabilisation – preventing landslides, erosion, or wall failure on steep or unstable ground.
• Transport infrastructure – providing stability for road and rail cuttings, bridge abutments, and underpasses.
• Marine and flood defence works – securing quay walls, locks, sluices, and sea walls in both new builds and refurbishments.

Because of their adaptability, anchors are a reliable solution in projects ranging from urban basements to large-scale infrastructure.

Ground anchors are designed to resist tensile loads, which are the pulling force applied along the length of the anchor. The load capacity depends on factors such as anchor length, grout bond strength, soil or rock conditions, and the steel tendon or strand configuration.

At RGE, our anchors are engineered and tested to handle working loads from 5kN to 9000kN, ensuring they meet strict safety and compliance standards for both temporary and permanent applications.

Ground anchors are versatile and can be installed in a wide range of soils, including clays, sands, silts, gravels, and weathered rock. They perform best when drilled into dense or stable strata that allow the grout bulb to bond securely.

In weaker soils, additional anchor length or specialised drilling techniques may be required to achieve the necessary load capacity. A geotechnical investigation will determine whether ground anchors are the right solution for your site.

Ground anchors are commonly used at marine and coastal sites to secure quay walls, seawalls, flood defence barriers, and other hydraulic structures.

In these environments, anchors are designed with corrosion protection systems such as double corrosion protection (DCP), encapsulated grout bulbs, or sacrificial steel thickness.

These measures ensure durability and long-term performance, even in aggressive saltwater conditions.

Yes. Ground anchors must be designed and certified by qualified engineers like RGE to ensure they meet the requirements of Australian Standards (AS 4678, AS 3600, and related codes). Certification covers both the design and installation, including load testing and quality assurance.

This process ensures the anchors provide the required stability for the structure and comply with local council and regulatory approvals.

Permanent ground anchors are designed with corrosion protection to minimise maintenance requirements. However, in critical infrastructure projects or aggressive environments, periodic monitoring may be recommended to confirm anchor performance.

Temporary anchors generally do not require maintenance, as they are removed or de-stressed once the project is complete.

The cost of a ground anchor in Australia varies depending on soil conditions, design load, anchor type, installation method, and whether the system is temporary or permanent. Project size and access constraints also affect price.

For a tailored cost estimate, enquire today.

The time it takes to install ground anchors depends on site conditions, access, anchor length, and ground type.

At RGE, we will provide a project-specific timeline after completing a geotechnical assessment and design.

Yes, our ground anchor installation services are available across Australia, including Sydney, Melbourne, Brisbane, Perth, and regional project locations.

Our experienced team handle everything from design and engineering to installation and testing, ensuring anchors meet strict safety and performance standards.

For detailed pricing, technical specifications, or safety data, enquire today.