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Road stabilisation – Southampton docks approach

Challenge

Ground instability and settlement affected the docks approach road, requiring stabilisation to maintain safe heavy vehicle access without disrupting port operations.

Solution

Geobear delivered precision geopolymer injection to strengthen weak soils and fill voids, stabilising the carriageway quickly with minimal excavation and limited operational disruption.

Carriageway stabilised

Improved ground bearing capacity

Minimal operational impact

Works completed alongside live traffic

Non‑intrusive method

No large‑scale excavation required

Background

Port access roads are subjected to constant heavy vehicle loading, increasing the risk of settlement where ground conditions are weak or voided.

Maintaining safe and reliable access is critical to operational continuity at busy dock facilities.

Challenge

The approach road required strengthening to prevent further settlement while ensuring continued access for HGVs and port traffic.

Traditional reconstruction would have caused significant disruption and programme delays.

Solutions

Geobear implemented a targeted geopolymer injection programme through small access points in the carriageway.

The expanding resin filled voids, densified surrounding soils and improved bearing capacity beneath the pavement structure.
Injection works were carefully monitored to achieve controlled ground improvement

Results

The road was successfully stabilised within a short timeframe, maintaining safe access to the docks.

The solution avoided major excavation and reduced disruption compared to traditional repair methods.

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