Civil Engineering

Soil consolidation & land reclamation

Achieve full consolidation of weak soils beneath reclamation in months

On coastal reclamation works, the finished ground profile may not settle evenly. Releasing the groundwater and reducing the pore water pressure quickly allows you to complete consolidation settlement while reclamation works and infrastructure installation are underway.

Woven Enka-Force fabrics at the intersection of marine clay and hydraulic sand fill contribute to the stability of steep side slopes and avoid differential settlements.

Full consolidation of weak soils beneath the reclamation can be achieved in months rather than years when using Colbonddrain prefabricated vertical drains (PVD).

OUR SOLUTION

To facilitate drainage and accelerate consolidation, regularly spaced prefabricated vertical drains (PVDs) are installed to create shorter drainage pathways for the groundwater.

Prefabricated vertical drains

  • Enables consolidation settlement to be completed while reclamation works and infrastructure installation are underway.
  • Can be installed from a barge and cut off at sea-bed level.
Prefabricated vertical drains
  • The pore pressure is released into the draining granular material.
  • For deeper reclamations, the drains are placed from the finished ground before placement of surcharge fill.

Colbonddrain CX1000

  • Geocomposite that resists tearing under load during installation.
Colbonddrain CX1000
Functions
  • Soil consolidation.
  • Stabilisation.
Related Products

Colbonddrain

Installed with a purpose-built installation rig mounted on a hydraulic excavator.

VIEW PRODUCT

Enka-Force

Designed to exhibit high strength at low elongation, for use in soil reinforcement applications.

VIEW PRODUCT
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