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Alidrain® Prefabricated vertical drains (PVD)


Alidrain® prefabricated vertical drains (PVD) comprises a synthetic drainage core wrapped with a durable fabric of excellent filtration properties for accelerated consolidation of soft soil. Accelerated consolidation removes excess pore pressures quickly from soft foundation soil increasing the foundation shear strength to support embankment and fill loadings.






  • The ground improvement system with Alidrain® PVD is very efficient and cost effective
  • Alidrain® PVD conforms to internationally well-recognized PVD specifications
  • Consolidation times for soft clay foundation deposits can be significantly reduced from many years to 0.5 to 2 years
  • The undrained shear strength of the soft clay foundation deposits can be increased when using Alidrain® PVD