DRAINmasta™ Wick Drain

DRAINmasta™ Wick Drain is a product of high-quality synthetic non-woven for construction applications and three-dimensional and composites for civil engineering, building and industrial applications.

As a result, research brings a significant quality improvement in product characteristics and performance, meeting customer requirements at construction sites.

DRAINmasta™ Wick Drainage is based on innovative technology.
It is a high-performance tough and durable vertical drain designed primarily to accelerate the consolidation of soft soils before construction.

It is 100mm wide with a solid polymer core covered on both sides with strong and permeable filter fabric. Outer filter fabric is PP sealed through with special Ultrasonic Welding to produce a quality geo-composite product.

DRAINmasta™ Wick Drain is composite in construction with an inner core wrapped in a non-woven geotextile fabric. The inner core is of polypropylene and the filter fabrics are of polypropylene or polyester.


Ground improvement with vertical drains has been an accepted practice for improving soft clay deposits and has been widely used over the 60 years.
The time required for the settlement to occur is considerably reduced as the length of the drainage path through soil is reduced.

The vertical drains are required to have high permeability and sufficiently high drainage capacity so that pore water escapes in a horizontal direction towards the nearest drain.

The water then flows freely vertically along the drain to a drainage blanket placed on the soil surface or to a highly permeable layer above or below the clay layer.

Consolidation of a compressible soil occurs as pore water
is squeezed from the soil matrix. The time for consolidation
depends upon the square of the distance the water travel to
exit the soil.

The installation of prefabricated vertical drains or
DRAINmasta™ WickDrain provides shortened drainage paths
for the water to exit the soil.


DRAINmasta™ WickDrain may be installed employing either vibratory or static methods. In either case, the drain is enclosed in a tubular steel mandrel small cross-sectional area (usually 50 x 125 mm).

A small steel anchor plate is attached to the wick at the bottom of the mandrel. The mandrel is then driven into the soil either with a static crowd or vibratory rig.

When the design depth is reached, the mandrel is extracted. The anchor plate retains the drain in the soil. When the mandrel is fully extracted drain is cut off, a new anchor plate is installed and the process begins again.

Typically between 5,000 to 20,000 rmt of PVD can be installed in a day depending on equipment, ground and working conditions.

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