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Technical Papers

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Geobear Technical Papers

Life extension of concrete roads using geopolymer resin injection treatment


This report is concerned with the eastbound section of the carriageway on the M54. An investigation reported that the unreinforced concrete slabs in lane 1 had undergone settlement and an average uplift of 10mm was required to bring the traffic running surface back to level with adjacent slabs. Geobear’s geopolymer resin injection method was the chosen solution to repair the asset.

The use of expansive geopolymers to mitigate floor slab settlement


This paper provides an overview about geopolymers as a sustainable engineering material that can provide cost-effective solutions to lift and stabilise heavily loaded slabs suffering from excessive settlement. Within the paper, a detailed case study for a commercial warehouse with a failing concrete slab was examined to illustrate how geopolymer injections have effectively stabilised the slab without affecting the operation of the warehouse.

The use of expansive geopolymer injections to stabilise railway formation


The aim of this paper is to better inform the railway industry about the benefits and applications of geopolymer injections technology to treat formation problems. The paper will also explore a case study from an existing UK site where geopolymer injections have been used successfully on the railways.