Geosynthetics in road construction include which types?
Choose the correct answer
Only concrete kerbs and blocks
Geotextiles (fabric), geogrids (reinforcement grid), geomembranes (impermeable), geocells — each with specific application
Only sand and gravel
Bitumen and cement only
Correct Answer
B. Geotextiles (fabric), geogrids (reinforcement grid), geomembranes (impermeable), geocells — each with specific application
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Geosynthetics: geotextile (woven/nonwoven fabric — separation, filtration, drainage, reinforcement); geogrid (open grid, reinforcement of subgrade/pavement); geomembrane (impermeable sheet — containment, water barriers); geocell (3D honeycomb — slope protection, road base reinforcement); geonet + geocomposite. IS 16392 for geotextile applications in road.
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