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Leaking river wall sealed

Challenge

Water ingress through a leaking river wall caused voiding and ground instability behind the structure, requiring rapid sealing and stabilisation to prevent further deterioration.

Solution

Geobear used precision geopolymer injection to seal active leaks, fill voids and strengthen supporting soils, restoring stability without excavation or major structural intervention.

River wall structure

Active water ingress

Voids filled

Ground stabilised behind wall

No excavation required

Minimal environmental disruption

Background

A river wall was experiencing ongoing water ingress, allowing fines to wash out and creating voids behind the structure. Over time, this process reduced ground support and risked further movement or structural deterioration.

Given the proximity to water and environmental sensitivities, a low‑impact solution was essential.

Challenge

Traditional repair methods would have required excavation behind the wall or complex structural works in a live waterside environment.

A method was needed to both seal the leak and stabilise the surrounding ground quickly, without significant disruption or environmental impact.

Solutions

Geobear implemented a targeted geopolymer injection programme behind the affected river wall sections.

Injection tubes were installed to precise depths, allowing a two‑component geopolymer resin to permeate weak zones. As it expanded, the material sealed water pathways, filled voids and strengthened the surrounding soils.

The controlled expansion ensured effective sealing and stabilisation without imposing additional stress on the structure.

Results

Active leaks were successfully sealed and ground stability restored without excavation.

The river wall regained reliable support, reducing further washout risk and extending the service life of the structure through a fast, low‑carbon solution.

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