Waste water treatment works – void filling

Challenge

Voids beneath structures at a waste water treatment works threatened stability and operational reliability, requiring urgent remediation without disrupting essential services.

Solution

Geobear delivered precision geopolymer injection to fill voids and strengthen underlying soils, restoring support quickly while maintaining full operational continuity.

Critical infrastructure stabilised

Operational reliability protected

Voids filled and consolidated

Ground stiffness improved

No excavation required

Minimal site disruption

Background

Waste water treatment facilities operate continuously and rely on stable ground conditions to support tanks, pipework and process equipment.

Subsurface voiding can occur due to washout, leakage or long‑term soil movement, increasing the risk of settlement and structural distress.

Traditional excavation in such environments can be complex and disruptive.

Challenge

Voids were identified beneath parts of the treatment works, creating concerns over ongoing settlement and potential impact on critical assets.

A rapid, low‑intrusion solution was required to stabilise the ground without interrupting operations or compromising safety.

Solutions

Geobear implemented a targeted geopolymer injection programme to fill cavities and densify surrounding soils.

The expanding resin restored uniform support beneath affected structures and reduced the risk of further material loss.

Injection works were carefully monitored to ensure controlled and precise delivery.

Results

The voids were successfully filled and ground stability restored, protecting key infrastructure.

The project was completed quickly and safely, maintaining full operational continuity throughout.

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