Which one of the following is an advantage when geotextiles is used in road works?

Explanation:

• Geotextiles are large sheets that save our earth soil in rainy days & binds strongly.
• It is mostly used for filtration and separation in the road constructions. It protects from migration of small gravels & sand aggregates. 
• Geotextiles are thin & strong membrane fabric which is used to reinforce soil & prevent from damage.

Advantages of Geotextiles

• It improve & stability and decreases the process of wind & water erosion.
• It helps to prevent the erosion of soil but allows the water to drain off. 
• A geotextiles made from synthetic or natural fibers associated with soil thin pieces.
• It improves soil characteristics such as Friction or movement restraint, Support of loads and Changes in bearing failure plane.
• They are lighter in weight which makes it easier handling and laying on site.
• Transport and labor costs are less in real terms.
• Knitted geotextiles have a high tear strength.

 Additional InformationDisadvantages of Geotextiles

• Installation of geotextile is critical and requires experienced contactors.
• These may delay seed germination, due to reduction in soil temperature.
• Geotextiles have maximum flow rate.
• Not suitable for areas that have foot traffic.