Soil Stabilisation

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Dams, Reservoirs, Hydroelectric Power Plants (HPP)
Tunnels
Shafts and Excavations
Tailings storage facilities
Municipal solid waste landfills
Locks
Underground infrastructure
Soil Stabilisation Solutions for Weak and Unstable Ground.
POLYJET provides injection-based technologies to improve bearing capacity, reduce settlement risks and strengthen problematic site conditions without excavation.

What is Soil Stabilisation

Soil stabilisation is a process used to improve the engineering properties of weak or unstable soil by increasing strength, reducing compressibility and improving load-bearing performance.

POLYJET applies controlled injection technologies that modify ground properties directly in place, without excavation or replacement.
Soil stabilisation is required when ground conditions compromise structural stability, load-bearing capacity or long-term performance of infrastructure and foundations.

When Soil Stabilisation is Required

  • Weak or Loose Soils
    Loose or poorly compacted soils cannot support structural loads and may lead to deformation or failure.
    Soil stabilisation improves density and strength, ensuring reliable performance of foundations and infrastructure.
  • Uneven Settlement
    Differential settlement causes structural stress, cracks and misalignment.
    Stabilisation helps reduce further settlement by improving the properties of supporting ground.
  • Low Bearing Capacity
    Poor ground bearing capacity can limit structural performance. Stabilisation improves load distribution and increases resistance to deformation.
  • High Groundwater Levels
    Elevated groundwater weakens soils and reduces their load-bearing capacity.
    POLYJET injection systems stabilise soils and control water-related effects, making them suitable for UAE conditions.
  • Collapsible or Sandy Soils
    Sandy and collapsible soils are common in desert environments and may lose stability under load or moisture changes.
    Soil stabilisation improves cohesion and structural integrity of these soils.
  • Void Formation Beneath Structures
    Voids can develop due to erosion, washout or soil movement, leading to settlement and structural damage.
    Injection technologies fill voids and restore uniform soil support.
POLYJET Injection Technology
POLYJET improves weak and unstable soils through controlled in-situ treatment methods.
Depending on soil properties and project requirements, our engineers select the most suitable stabilisation approach to increase bearing capacity, reduce deformation risks and improve long-term structural performance.
The process allows existing soils to be strengthened without excavation or replacement, making it suitable for infrastructure, industrial and complex construction projects.
Soil stabilisation is required when weak or unstable soils affect structural stability, load-bearing capacity or the long-term performance of infrastructure and foundations.

Soil Stabilisation Approaches

Injection Stabilisation
Permeation Treatment
Deep Ground Improvement
POLYJET injection stabilisation improves weak soil conditions by introducing specialised materials into the soil structure. The method increases strength, reduces deformation risks and allows treatment without excavation or replacement of existing soil.
Permeation treatment is used for loose, porous and water-sensitive soils where material penetration is required to improve ground properties. The technology helps reduce permeability, stabilise soil structure and improve long-term performance.
Deep ground improvement methods are applied when weak soil layers extend below the surface and affect structural stability. The approach helps improve bearing capacity, reduce settlement risks and prepare challenging soil conditions for construction.

Related Geotechnical Services

Depending on site conditions, this solution may be combined with other POLYJET engineering services.
POLYJET soil stabilisation technologies are applied across a wide range of infrastructure and construction projects, delivering reliable performance in challenging site conditions.

Applications of Soil Stabilisation

Soil stabilisation is widely used in infrastructure projects to improve subgrade performance, prevent settlement and ensure long-term structural stability.

POLYJET technologies are applied in transport infrastructure where soil conditions are variable or weak.
Stabilisation of railway subgrade soils and airfield foundation stabilisation
Industrial structures require stable soil conditions to support heavy equipment and dynamic loads.

POLYJET stabilisation increases soil stiffness and reduces compressibility without interrupting operations.
Container gantry crane foundation stabilisation (265–295 tonnes)
Soil stabilisation is used to improve bearing capacity and ensure reliable performance of foundations under static and dynamic loading.

Injection technologies allow precise strengthening of subsoil layers.
Crane foundation stabilisation using organo-mineral resin
Stabilisation and sealing are critical for excavation pits and underground facilities exposed to groundwater inflow and soil washout.

POLYJET injection systems eliminate infiltration and stabilise surrounding soils.
Excavation pit stabilisation and waterproof sealing (wastewater treatment plant)
Soil stabilisation is often combined with anti-filtration solutions to control water movement in soils and rock formations.

Injection technologies create impermeable barriers and prevent leakage.
Sealing of fractured rock foundation
Explore More Case Studies
POLYJET has successfully delivered soil stabilisation, ground improvement and injection solutions across a wide range of engineering projects.
Explore our case studies to see real-world applications and performance results.

Advantages of POLYJET Soil Stabilisation

  • Non-excavation solution
    No need for digging or structural dismantling, reducing time and project complexity.
  • Fast execution
    Rapid implementation allows completion of works within tight project timelines.
  • Minimal disruption
    Works can be performed without stopping operations or affecting surrounding areas.
  • Suitable for sandy soils
    Effective in loose and sandy soils common in UAE conditions.
  • Works under high groundwater
    Injection systems perform reliably even in water-saturated soils.
  • Precise and controlled treatment
    Injection process allows accurate control of material distribution and soil improvement.

Engineering Process

Site inspection
Soil assessment
Engineering design
Injection works
Monitoring

Frequently Asked Questions

Request Soil Stabilisation Consultation
Contact our engineers to assess your project and select the most effective stabilisation method.