Geocomposite Drainage Systems: All You Need to Know

At present, there are n numbers of geocomposite drainage materials which are in use.

When it comes to geocomposite drainage systems, the basic-purpose remains to include the best-in-class features of various materials in such a way that some specific applications can be performed in the best manner possible and that too, at the minimum cost. This ultimately results in increased benefit/cost ratio.

 As far as the basic functions of a drainage system are concerned, they include controlling the overlying excessive grow-supporting material in a drained condition; preventing chronic anaerobic conditions and supporting the principal mechanism for releasing storm-event runoff. There may be other functions as well, including a suitable prospect for introduction of irrigation and escalating root-volume available for the plants. 

When it comes to drainage-classifications, they can be classified into aggregate drains and geocomposite drains, which may further be combined or used separately in combination with the drain outlets. When it comes to aggregate drain, layers are less than 4 inches in depth and thus, should be smoothly drained. And the use of these deeper layers restriction can be used to support water holding capacity.  

With a view to increase the drainage capacity, huge quantities of drainage material are installed along the eaves and near outlets. As far as geocomposite drainage systems are concerned, they include drains of two or more materials, one of which is a geosynthetic. The drains may be a combination of different drain types. 

Ever Heard about “Entangled Polymeric Filament Mats”?...These are mats, composed of entangled filaments of various polymers, which support flow of water from any direction. These mats come equipped with a geosynthetic filter attached to one or more sides. The other type is “Shaped Plastic Membranes”, which are made of regular sheets of different polymers warped to form dimples, pegs or studs. There is plenty of online information as well. 


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