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Listed wall protected, weakened ground & voids repaired

Challenge

A listed wall showed signs of movement and instability, requiring ground stabilisation without excavation or any impact on the protected historic structure.

Solution

Geobear used precision geopolymer injection to strengthen underlying soils and arrest movement, stabilising the listed wall with minimal intervention and no structural alteration.

Heritage structure

Listed wall protected

Non‑intrusive method

No excavation required

Rapid delivery

Works completed with minimal disruption

Background

A listed wall was experiencing movement due to weakened or voided ground beneath its foundation. As a protected heritage asset, any intervention needed to preserve the structure’s integrity and historic fabric.

Conventional underpinning or excavation would have been highly disruptive and risked damaging the wall.

Challenge

The primary challenge was stabilising the wall while complying with heritage protection requirements.

Access restrictions and the need to avoid vibration, excavation and visible alterations meant a low‑impact, precisely controlled ground improvement method was essential.

Solutions

Geobear implemented a targeted geopolymer injection programme to strengthen soils beneath the wall’s foundation.

Small injection points allowed the expanding geopolymer resin to penetrate and compact weak ground, filling voids and increasing bearing capacity.

Real‑time monitoring ensured accurate control of movement, allowing stabilisation without disturbing the historic structure.

Results

Ground conditions were improved and wall movement arrested without excavation or structural alteration.

The listed wall was protected, programme time reduced, and disruption kept to an absolute minimum.

Discuss your project with an expert

Don't let unstable ground put your business at risk. Our commercial team can provide a clear assessment and a fast, effective solution tailored to your operational needs.

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