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P1020271
Project

PVD installation for Doncaster iPort warehouse development, UK

PVD installation for Doncaster iPort warehouse development, UK Cofra Ltd installed 257,000m1 of vertical drains for the development of a new warehouse in Doncaster in 2018. PVD installation is part of our segment consolidation. Doncaster

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P1020271
Project

PVD installation for housing development Centenary Quay, UK

PVD installation for housing development Centenary Quay, UK Cofra Ltd installed 35,000m1 for this housing development in 2018. PVD installation is part of our segment consolidation. Southhampton

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Project

PVD for tailing pond remediation, France

PVD for tailing pond remediation, France Cofra has installed vertical drains for the remediation of a tailing pond in 2019. PVD installation is part of our segment consolidation.

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General questions related to vertical drains

General questions related to vertical drains Understanding Vertical Drains This section explains the fundamentals of vertical drains and how they accelerate the consolidation of soft soils. Learn when vertical drains should be used, which soil types are suitable, how deep they can be installed and how much time they can save compared with natural consolidation. Is your question not in the list? No worries, contact our expert for an answer

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FAQ on design and engineering of drains and vacuum consolidation

FAQ on design and engineering of drains and vacuum consolidation Design & Engineering This section will provide specific answers to design and engineering questions related to vertical drains. This section provides answers to the most common design and engineering questions related to vertical... and application of vacuum consolidation systems. Is your question not in the list? No worries, contact our expert for an answer

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Consolidation

Consolidation   Peaty, clayey and sometimes even silty soils are characterized by a high-water content, very low permeability and a low strength... in long periods (years) with high consolidation settlements and a low to insufficient safety factor on the stability of the embankment. With the application of low cost prefabricated vertical drains (PVD) a considerable reduction of the consolidation / settlement time, from years to months

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