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Geodrains are geocomposites manufactured to evacuate infiltrating water and filter fine particles. They replace and reduce to a minimum conventional and natural underground drainage systems. The presence of geodrains allows economical and ecologic replacement of drainage systems made of conventional materials while permitting a better reduction of water content in works, thus reducing one of the major causes of their degradation. The most recent practices in rainwater management promote temporary retention of these waters before their return to municipal systems in order to minimize economic and environmental impacts. Rainwater management systems have been developed and are now used for the temporary retention of these waters in case of heavy rain.
Texdrain is a drainage composite designed to intercept and accelerate the evacuation of infiltrating waters from pavement structures towards neighboring terrain over the full height /width of the road’s foundation. Its manufacturing and hydraulic properties allow for the retention of fine soil particles, thus combining drainage and separation/filtration functions. The product comes in two models: Texdrain 80V for vertical drainage (with sheath for pipe to be inserted) and Texdrain 80H for horizontal drainage (without sheath).
The Soldrain pre-assembled drainage system is a geocomposite composed of a polymer core layer encased in a geotextile. The geotextile allows water and other liquids to infiltrate down to the core, while preventing clogging of the drain by solid particles. The core offers excellent longitudinal flow capacity toward the interception well. The basic grades are generally used in vertical drainage for foundation walls and bridge abutments. Some product grades offer increased resistance to compression and can be used for horizontal drainage.
The Draintube line is a family of patented products offering geocomposites for drainage and filtration made up of regularly perforated minidrains, spaced between two or three geotextile sheets. The diameter and spacing of the minidrains as well as the geotextiles used are selected and validated for each project according to the hydraulic and geotechnical characteristics of the site. The geocomposite is thus optimized in terms of cost and performance. Draintube allows the drainage of liquids and gases in civil engineering applications, sports fields, buildings, landfill cells, polluted soils and mining and gas operations.
Geonets are high-density polyethylene structures similar to a multidimensional screen which are used for drainage. Often used in conjunction with geomembranes in the construction of landfill cells, it replaces natural drainage materials such as sand and gravel. Geonets can be laminated to geotextiles, according to the needs of the application, to act as drainage geocomposites and to combine the separation function with that of drainage.
Rainwater management systems have been developed and are now used for the temporary retention of water in case of heavy rainfall. Systems such as Rainstore allow temporary retention of these waters before their return to municipal systems to minimize economic and environmental impact. Rainstore is a stackable tridimensional modular structure allowing the creation in the soil of a space that is 94% empty to serve as a temporary storage reservoir for rainwater while allowing soil to preserve good load-bearing capacity for the passage of cars and trucks.
Vertical drains are drainage geocomposites made of a pleated plastic core surrounded by a geotextile and available in narrow strips which are inserted at varying depths in the soil with specialized equipment. The use of vertical drains aims to rapidly evacuate interstitial waters contained in the soil thus allowing faster consolidation of soil with high clay content. Accelerating soil consolidation can shorten the schedule for road or mining construction works.