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2001•Geosynthetics Engineering JournalOpen access

Reinforcing Function of Geogrid and Geotextile for a Geomenbrane in Landfill

Shinji Nakamura, Shigeyoshi Imaizumi, Kenji KUZUMAKI, Takeshi Sato

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Abstract

When base of landfill subsides, deformation occurs in the geomenbrane which is used as a component of liner. Usually, geotextile is being used to protect a geomenbrane from mechanical damage. This geotextile seems to have function as reinforcing the geomenbrane when it deform. A geogrid if it was used together with the non-woven textile may emphasize this reinforcing. This effect was examined here by placing a geogrid together with the geotextiles over soft geomembrane (FPA). Consequently, the amount of the maximum tensile strain creating in geomenbrane reduced to about 50% of that of in case of without geogrid and geotextile.

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When base of landfill subsides, deformation occurs in the geomenbrane which is used as a component of liner. Usually, geotextile is being used to protect a geomenbrane from mechanical damage. This geotextile seems to have function as reinforcing the geomenbrane when it deform. A geogrid if it was used together with the non-woven textile may emphasize this reinforcing. This effect was examined here by placing a geogrid together with the geotextiles over soft geomembrane (FPA). Consequently, the amount of the maximum tensile strain creating in geomenbrane reduced to about 50% of that of in case of without geogrid and geotextile.

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Available abstract

When base of landfill subsides, deformation occurs in the geomenbrane which is used as a component of liner. Usually, geotextile is being used to protect a geomenbrane from mechanical damage. This geotextile seems to have function as reinforcing the geomenbrane when it deform. A geogrid if it was used together with the non-woven textile may emphasize this reinforcing. This effect was examined here by placing a geogrid together with the geotextiles over soft geomembrane (FPA). Consequently, the amount of the maximum tensile strain creating in geomenbrane reduced to about 50% of that of in case of without geogrid and geotextile.

Key concepts: Geotextile, Geogrid, Geotechnical engineering, Geomembrane, Geosynthetics, Deformation (meteorology), Ultimate tensile strength, Tensile strain

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Reinforcing Function of Geogrid and Geotextile for a Geomenbrane in Landfill — Research Paper | ScholarLens