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Geocomposite
The basic philosophy behind geocomposite materials is to combine the best features of different materials in such a way that specific applications are addressed in the optimal manner and at minimum cost. Thus, the benefit/cost ratio is maximized. Such geocomposites will generally be geosynthetic materials, but not always. In some cases it may be more advantageous to use a nonsynthetic material with a geosynthetic one for optimum performance and/or least cost. As seen in the following, the number of possibilities is huge — the only limits being one's ingenuity and imagination.
There are five basic functions that can be provided: separation, reinforcement, filtration, drainage, and containment.〔Koerner, R. M. (2012), ''Designing With Geosynthetics'', 6th Edition, Xlibris Publishing Co.〕
==Geotextile-geonet composites==
When a geotextile is used on one or both sides of a geonet, the separation and filtration functions are always satisfied, but the drainage function is vastly improved in comparison to geotextiles by themselves. Such geocomposites are regularly used in intercepting and conveying leachate in landfill liner and cover systems and for conducting vapor or water beneath pond liners of various types.〔(Geonets & Geocomposite Drainage Liners for Erosion Control ). Gseworld.com. Retrieved on 2015-05-10.〕 These drainage geocomposites also make excellent drains to intercept water in a capillary zone where frost heave or salt migration is a problem. In all cases, the liquid enters through the geotextile and then travels horizontally within the geonet to a suitable exit.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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