geotextiles can be used: 1 filtration layer of the dykes, 2 river canal, seacoast, 3 concrete slope, 4retaining walls. geotextiles can be ... of the railway dregs and the roadbed, roadbed and the soft base, surface of the airdrome and parking lot and the groundsill, different ... water and soil from being washed away.Unit weight, g/m2100150200250300350400450500600800Weight tolerance, %-8-8-8-8-7-7-7-7-6-6- ...