Soil Nailing

Stabilisation for Slopes, Embankments & Retaining Structures

Soil nailing is a proven ground-engineering technique used to stabilise steep slopes, embankments, cuttings, and failing retaining structures. By installing high-strength steel bars (nails) into the soil mass, the system increases shear resistance and provides long-term structural support.

Green Gravity Walls UK Ltd delivers soil nailing as a complementary service to our ECO-MSE® bag system—providing reliable stabilisation for challenging ground conditions, particularly when slope reinforcement and erosion control need to be achieved together.

What Is Soil Nailing?

Soil nailing involves drilling steel bars horizontally or slightly downwards into the existing ground, anchoring them with grout to create a composite stabilised mass. Once installed, the nails work in tension, resisting slope movement and providing immediate structural improvement.

The technique is particularly effective where access is restricted, ground disturbance must be minimised, or excavation for traditional retaining solutions is impractical.

Applications of Soil Nailing

Our soil nailing services support civil, rail, highways and environmental infrastructure, including:

  • Slope stabilisation for cuttings, embankments and steep gradients

  • Landslip remediation and prevention of further movement

  • Railway embankments where limited access prevents larger retaining systems

  • Highway cuttings and roadside slopes

  • Reinforcement behind retaining structures

  • Support for future installations such as the ECO-MSE® system

  • Riverbank and watercourse stability where erosion is ongoing

How Soil Nailing Works

Soil nailing improves ground stability through a combination of reinforcement and frictional resistance.

Typical soil nailing process:

  1. Site investigation & design – ground profiling, soil parameters, and failure analysis

  2. Drilling & installation – nails inserted at predetermined spacing and angle

  3. Grouting – bonding the nail to the ground for long-term load transfer

  4. Facing system – options include biodegradable meshes, steel mesh, or in some cases pairing with our ECO-MSE® bag system

  5. Hydroseeding / vegetation – where required, GGW provides rapid establishment of vegetation for long-term erosion control

Suitable for Challenging Locations

Soil nailing is particularly effective where machinery access is limited. The system can be deployed using compact drilling equipment, making it well-suited for:

  • Rail corridors

  • Rural and urban embankments

  • Watercourses and riverbank stabilisation

  • Sites with restricted working width

  • Steep or difficult-to-reach slopes

Specification & Design Support

Green Gravity Walls works with trusted specialist engineers and installers to ensure all soil nailing projects are delivered in line with UK industry standards and client requirements. Our service includes:

  • Full site assessment and feasibility

  • Geotechnical design calculations

  • Detailed site-specific installation methodology

  • Integration with drainage, erosion control, and ECO-MSE® retaining solutions

  • Optional hydroseeding to complete the finish

Let’s Talk About Your Project

Whether you’re planning a new build or upgrading an existing site, we’re here to help.
Complete the short form below and a member of our team will be in touch to discuss how our geogrid solutions can support your project.

Green Gravity Walls UK

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