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GEOSYNTHETICS

A geosynthetic is a polymeric material, natural or synthetic, used in contact with natural materials, such as soil or rock, or any other geotechnical material. Geosynthetics can be used in several civil and environmental engineering works, such as: landfills, dams, highways, railways, reservoirs or coastal protection structures.

TYPES OF GEOSYNTHETICS

The geosynthetics can be classified into categories, depending on their manufacturing process. The most well-known categories are geotextiles, geomembranes, geogrids and geocomposites. View more

Geotextiles (image Naue)

Geogrids (image Naue)

Geomembranes (image Naue)

Geocomposites (image Naue)

FUNCTIONS OF GEOSYNTHETICS

The main functions performed by geosynthetics are separation, protection, filtration, drainage, reinforcement, liquid/gas containment, and erosion control. In certain cases, geosynthetics can perform several functions simultaneously. View more

Separation

Fluid containment

Protection

Erosion control

Reinforcement

Drainage

Filtration

GEOSYNTHETICS APPLICATIONS

Geosynthetics in agricultural applications. View more
Geosynthetics in erosion control. View more
Geosynthetics in drainage and filtration. View more
Geosynthetics in hydraulic projects. View more
Geosynthetics in wastewater treatment. View more
Geosynthetics in landfills. View more
Geosynthetics in embankments on soft soils. View more
Geosynthetics in slopes over stable foundations. View more
Geosynthetics in walls. View more
Geosynthetics in railroads. View more
Geosynthetics in road engineering. View more
Geosynthetics in unpaved roads. View more
Geosynthetic barriers: applications and benefits. View more

Proteção de pipelines (Maccaferri Corporate)

Elementos de drenagem (Maccaferri Corporate)

Aterros sobre solos moles (TenCate Geosynthetics)

Proteção de pipelines (Maccaferri Corporate)

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Images taken from manufacturers' websites Tencate Geosynthetics, Tenax, Maccaferri Corporate and Huesker

PROPERTIES OF GEOSYNTHETICS

The suitability of the geosynthetics to perform certain functions in civil and environmental engineering structures depends on their properties, which are generally divided into physical, mechanical, and hydraulic. Durability is also a crucial issue, since the materials must have a good resistance against different degradation agents.