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    Ground Engineering
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    Safety

    Let’s Talk Slope Stabilisation

    November 17, 2025
    Let’s Talk Slope Stabilisation

    First reported on The Construction Index

    30 Second Briefing

    Aarsleff Ground Engineering has implemented diverse slope stabilisation solutions across three UK sites, addressing unique challenges with tailored techniques. In Alnwick, 57.6m of driven steel sheet piles were installed using a silent press to stabilise a slope near historic buildings, while in Tynemouth, a 10m deep contiguous pile wall with a 120-year design life was constructed to secure a cliff face at King Edwards Bay. In Northampton, an 80m soil nailed solution with R32 hollow threadbars was deployed to stabilise a failing reinforced soil wall, overcoming buried service clashes through detailed 3D visualisation.

    Technical Brief

    • Aarsleff Ground Engineering implemented slope stabilisation at three UK sites using tailored techniques for site-specific challenges.
    • In Alnwick, 57.6m of driven steel sheet piles were installed using a silent press to stabilise a slope near historic buildings.
    • The Alnwick project also included a 20m sheet pile wall for a car park, addressing noise and vibration constraints due to nearby structures.
    • Aarsleff's solutions increased slope safety factors, enabling continued development at each site.
    • The use of silent presses and Movax machines minimised disruption in sensitive areas, ensuring compliance with safety standards.
    • These projects highlight the importance of adaptable design and in-house expertise in complex ground engineering challenges.

    Context From Recent Coverage

    • Over the last few months, we've seen only a handful of Infrastructure pieces focusing on slope stabilisation projects in the North East of England, suggesting limited but targeted coverage in this region.
    • Aarsleff Ground Engineering's involvement in Tynemouth's slope stabilisation reflects a focus on long-term design life, with a 120-year lifespan for their solutions, which is notable for its durability in the infrastructure sector.

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