Water leaks at Cobbinshaw Reservoir repaired with geopolymer
Challenge
Water leakage at Cobbinshaw Reservoir indicated internal erosion and voiding, posing risks to structural integrity and long‑term operational performance.
Solution
Geobear used precision geopolymer injection to seal leakage pathways, fill voids and strengthen surrounding soils without major excavation or disruption.
Leakage sealed
Seepage pathways treated
Voids filled
Ground stability improved
Minimal environmental impact
No large‑scale excavation required
Background
Reservoir structures are vulnerable to seepage and internal erosion over time. Uncontrolled water movement can create subsurface voids, weaken supporting soils and increase the risk of settlement or structural distress.
Repairs in water management environments must be carefully controlled and environmentally sensitive.
Challenge
Leakage at Cobbinshaw Reservoir suggested void formation and ongoing internal erosion.
A rapid, low‑intrusion solution was required to seal water pathways and stabilise the ground while maintaining safe operation of the asset.
Solutions
Geobear delivered a targeted geopolymer injection programme to treat the affected areas.
The expanding resin filled voids, reduced permeability and strengthened the surrounding soils.
Injection works were carefully monitored to ensure precise sealing and ground improvement.
Results
Water leaks were successfully sealed and ground stability restored.
The solution provided long‑term protection for the reservoir while avoiding disruptive excavation and maintaining operational continuity.
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