Nottingham EZ1 – void filling and stabilisation

Challenge

Voids and weakened ground beneath the EZ1 development in Nottingham caused settlement risk, requiring rapid stabilisation without disruptive excavation or impact to surrounding infrastructure.

Solution

Geobear delivered targeted geopolymer injection to fill voids, strengthen soils and restore ground stability with minimal disruption and fast programme delivery.

Void filling completed

Targeted sub‑surface treatment

Ground stabilised

Improved bearing capacity

Non‑intrusive solution

No excavation required

Background

At the EZ1 site in Nottingham, voids and weak soils beneath the structure created concerns over settlement and long‑term performance.

A remediation approach was required that could stabilise the ground quickly while avoiding excavation in a constrained development environment.

Challenge

Traditional excavation and replacement would have introduced programme delays, increased cost and significant site disruption.
The client required a precise ground improvement method capable of restoring support and mitigating settlement risk efficiently.

Solutions

Geobear implemented a controlled geopolymer injection programme to treat the affected zones.

Small injection points allowed the expanding geopolymer to penetrate voided and loose soils, filling cavities and compacting surrounding material. This process increased bearing capacity and re‑established uniform ground support.

All works were monitored in real time to ensure controlled expansion and optimal performance.

Results

Void risks were eliminated and ground conditions stabilised without excavation or structural removal.

The solution delivered a fast, lower‑carbon alternative to traditional methods while protecting programme timelines and site operations.

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