Geosynthetics and environmental Engineerings

2019-04-08

Geosynthetics have experienced many considerable development, first of all in civil engineering applications, in road and hydraulic infraustructure and works in environmental applications.The details had been given, which is related to what we call " Environmental Geotechnics".

Erosion control;

Pollution control;

Architectural regard;

Protexction by energy absorption;

Improvement of the domestic environment.

Geotechnics

Geosynthetics and Pollution, it would seem appropriate to present the main families of geosynthetics that can be uesd in this field. First of all, there are " woven " and " nonwoven " geotextiles, one of the main functions of which is to separate soils of different types, or to act as a filter.

Geosynthetic structures can be combined to obtain composites. Geotextiles can be combined to drain water in the horzontal plane and to inforce the soil. 

geospacers

Next to geogrirds, which may be uniaxial or biaxial in order to obtain strength in one or two directions.They are used extensively for soil reinforcement.

Geontes are extruded into polymer meshes and look like grids but their function is hydraulic. They are unsed to drain water in the horizontal plane through the transmissivity function described above. Geonets belong to the category of " geospacers". To prevent the geogrid from clogging it is often used in conjunction with filter geotextiles. A geonet placed between two geomembranes can recover any possible leakage from either of the geomembranes

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