Geopolymer Injection for Ground Stabilisation and the re-levelling of buried assets
National Grid Gas Transmission
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Network Innovation Allowance
GT - Repair
Gas Transmission Networks
A resin is injected into the ground to re-level and stabilise the ground under gas pipes. This novel technique can be used at Kings Lynn site and potential save in the region on £20/£30m.
- Assess suitability of geopolymer injection technology for ground improvement and ground stabilisation on and around high-pressure gas pipework within National Grid operational sites.
- Assess the sustainability of product and its carbon footprint benefits when compared to concrete foundation replacement options.
- Conduct trial on decommissioned pipework to demonstrate ground stabilisation and pipework releveling techniques.
- Facilitate adoption of geopolymer injection technology in the gas transmission / distribution industry as business as usual.
Cost avoidance - £30m is the projected cost of rebuilding one of National Grid’s larger compressor sites.
Reliability - Mitigate the settlement and stabilise the ground
Environmental - avoid the use of concrete for new slabs