Subsidence Ground Remediation By Resin Injection
Restek uses traditional testing methods and our unique deep depth Ground Penetrating Radar – GPR to create a value-engineered solution, bespoke for each project. Our ground stabilisation techniques are value engineered and involve driving small, specialist injection lances into mobile ground consisting of loose soil, gravels & voids. Compared to traditional underpinning Restek’s ground stabilisation by resin injection is less invasive, leaves little to no trace work has been carried out and has less environmental impact.
After reviewing the GPR data, we create and agree the remediation schedule with the client, we use a continual systematic injection and reaction technique to carefully monitor the stabilisation process. We inject a combination of different resin types, at varying depths and volumes through each lance. This multi-level, multi-resin injection procedure, ensures the correct resin is efficiently injected, at each level and at exactly the right amount through each lance.
Once injected, Restek resins undergo a chemical reaction, changing from a low-viscosity liquid to a solid. The process begins with foaming to four times the injection volume, which helps to significantly reduce the volume and weight of the injected product. It then compacts and stabilises the surrounding loose ground & voids in the subsoil.