Ground Improvement

What is meant by Ground Improvement? 

Ground Improvement is the application of various geotechnical techniques that are used to re-engineer existing soils to improve their engineering characteristics. 

What are Ground Improvement Techniques? 

Ground Improvement techniques may include Soil Stabilisation, Vibro Stone Columns, Jet Grouting, Deep Soil Mixing, Dynamic Compaction. 

Why should you use Ground Improvement?

Used correctly Ground Improvement can be used to engineer complex sites, simplify follow on construction and minimise development costs.

GDL have invested in the latest range of technology to be able to offer a range of ground improvement techniques that gives us the opportunity to apply our technical expertise to be able to increase the range of challenging soil conditions that we can overcome.

Our ground improvement systems offer the following benefits:

  • Simplified foundation design for subsequent structures and features;
  • Little or no excess spoil is generated during the construction process;
  • By re-engineering site-won soils we can reduce or remove the need for imported aggregate and concrete, and this increases the sustainability of construction projects.

Soil stabilisation can be used in conjunction with our earthworks services to modify site-won soils to allow these to be recompacted in accordance with specified requirements. Soil stabilised piling mattresses offer an alternative to imported aggregate and reduce the disposal of surplus excavated spoil off-site.
Deep soil mixing is typically used to improve the strength and stiffness characteristics of soft to very soft formation soils, and this technique can also be designed as a composite ground improvement system to control settlement.

Low permeability cut-off walls can be constructed using a number of techniques including soil mixing, slurry walls and jet grouting.

Read more about our techniques below...