2. Tankinimo

Vertical drains, also known as prefabricated vertical drains or wick drains, are made up of a plastic core surrounded by a geotextile that acts as a filter to prevent clogging.

Menard developed Controlled Modulus Columns in the 1990s to overcome problems of lateral confinement in highly compressible and organic soils. They are now used in all types of soil (cohesive or granular) up to depths of 30 metres or more.

Vibrocompaction is a ground improvement technique that densifies the soil by shaking it with a vibro probe.

Rapid Impact Compaction is a ground improvement technique that densifies the soil by pounding it at high frequency with a medium sized pounder.

Dynamic compaction is a ground improvement technique that densifies the soil by repeatly pounding it with a high energy pounder.