geotextiles can be used: 1 filtration layer of the dykes, 2 river canal, seacoast, 3 ... , breakwater, airport, backfill soil of retaining wall, slope protection, etc in which distributes the earth stress, prevents the side-displacement of ... -100EOS O90, mm0.07-0.2Vertical permeability coefficient, cm/sK×10-1-10-3K=1.0-9.9 Non-woven geofabric used in road construction