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Application areas

Cofra provides integrated solutions for many ground improvement and specific environmental markets. We cover all project phases related to ground improvement from (pre-) feasibility and design through to construction and monitoring. We can offer together with Boskalis comprehensive solutions (quay walls, roads, railways, tunnels and bridges) and have together almost over a century experience to accommodate it.

Our Markets and Application areas

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Infrastructure: roads, railways, ports, airports

We provide solutions for the consolidation and compaction of the subsoil in order to reduce post construction settlements and guarantee stability during construction. Our barriers can be used to create the line infrastructure below ground water level.

Infrastructure
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Dredging – land reclamations

Our consolidation and compaction techniques are optimized to be used on land reclamation projects. With high productions, high quality control and an exceptional fleet equipment we can be put in schedules against the largest dredging equipment in the world.

Reclamation
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Mining

Our Ground improvement techniques are highly suitable for the consolidation of tailing ponds to create more volume or increase the strength of the material. Our barrier solution are used isolate polluted materials from the environment.

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Construction: Industry, warehouses, logistics, tank farming, housing

Our ground improvement techniques are highly suitable for the preparation of the subsoil for the construction of structures. Our consolidation techniques reduce the settlement, whilst our compaction techniques can perfectly be used to compact the footing areas of warehouses.

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Pollution management

Our barrier solutions are due to the use of HDPE materials optimized to isolate the most polluting substances. This can be performed horizontal as well as vertical.

Pollution management
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Flood protection

Our barrier and consolidation solutions are often used in the flood protection market. Our consolidation techniques are used to consolidate the soil behind or under new dikes to increase the strength. Our barriers are used to control waterlevels, block sand transport or prevent erosion.

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Liquefaction mitigation

Our compaction solutions, earthquake drains and stone columns are used to prevent or mitigate the effects of the liquefaction of the subsoil.

Our solutions per market segment

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Our projects - Please filter on markets for the specific projects per market segment

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PVD installation for landing strip Malaga airport

With an installation depth up to 30m, we installed in 2009, 2,000,000m1 of prefabricated vertical drain.

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PVD installation for road embankment Paramaribo

In 2009, we installed a prefabricated vertical drain of 300,000m1 with an installation depth up to 20m.

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PVD installation for new Istanbul Airport project

With an installation depth up to 17m, we installed in 2015, 575,000m1 of prefabricated vertical drain.

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PVD installation for Bombay port India

 We installed 2,000,000m1 of prefabricated vertical drain in 1986 on this project.

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PVD installation for channel tunnel

We installed 2,200,000m1 of prefabricated vertical drain in 1998 on this project.

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PVD delivery for Osaka Airport

Cofra and Geotechnics have delivered 1,200,000m1 PVD for the Osaka aiport expansion project in 1992.