Drainage

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Any well-drained structure is inherently safer and more economical than if constructed without drainage. This is because the placement of relatively impermeable structural elements, such as a concrete foundation or retaining walls, against water-bearing earth.

Geosynthetic drainage materials, such as GeoText, eliminate the difficulties associated with conventional gravel and sand drains and filters. One of the best ways to assure effective aggregate drainage is to sandwich an aggregate layer within layers of filtration geotextiles. The inclusion of a perforated drain pipe that collects and discharges seepage will increase the drain’s efficiency. Back fill is placed directly against the drain.

A prefabricated geocomposite drain is a complete geosynthetic alternative. The geocomposite drain replaces the aggregate with 3 dimensional plastic core and comes to the site already covered with the necessary filtration geotextile. This allows the entire drain to be installed in one step, saving considerable construction costs.

 

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