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Are Geofoam foam materials geosynthetic?

Briefly, it is the general name of all kinds of foam materials used in geotechnical engineering applications. A further definition is a material which is obtained by means of expansion, resulting in the formation of a variety of closed and internal gas-filled cells. Cell walls are solid but permeable to gases.

Geofoam is now worldwide accepted as as a geosynthetic product, such as geotextile, geomembrane etc..

Many geofoam materials are based on polymeric (plastic) or glassy foam. There are two types of polystyrene foam:

— EPS (Expanded polystyrene)
— XPS (Compressed polystyrene)

Usage areas;

In the fillings on soft and weak soils, where the freezing-dissolution effect is very effective, geofoam is used in areas such as underneath roads, airport coatings and railways etc.

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Are Geofoam foam materials geosynthetic?

Geotube Geobag for Shoreline Protection

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Are Geofoam foam materials geosynthetic?

Advantages of Geomembrane

High strength. The yield tensile strength can reach 18MPa, the fracture tensile strength can reach 35MPa, the peel strength is 31kN/m, and the shear strength is 33kN/m; the ductility is good.

Are Geofoam foam materials geosynthetic?

Geomembrane acceptance criteria

First of all, the quality of geomembrane weld seam is the key to splicing, especially the seam detection should be strengthened during construction.

Are Geofoam foam materials geosynthetic?

Composite geotextile construction method

Composite geotextile is also called composite geomembrane and two cloth and one film or one cloth and one film. When laying composite geotextiles, it must be laid from the bottom up.