Separation Function
• Prevention from intermixing of adjacent dissimilar soils and/or fill materials by the use of a geosynthetic material.
Separation: Erosion Control
•Geosynthetics provide resistance to erosion by separating the soil from the impacts of rain drops and reducing the shear stress caused by the surface run-off.
Filter Function
•Restraining of uncontrolled passage of soil or other particles subjected to hydrodynamic forces, while allowing the passage of fluids into or across a geosynthetic material by helping to form a filter cake in the soil.
Drainage Function
•Collecting and transporting of precipitation, ground water and/or other fluids and gases in the plane of a geosynthetic material.
Barrier Function
•Use of a geosynthetic to prevent or limit the migration of fluids and gases.
Protection Function
•Preventing or limiting of local damage to a given element or material by the use of a geosynthetic material.
Reinforcement Function
•Use of the tensile strength of a geosynthetic material to improve the mechanical properties of soil or other construction materials.