Performance Studies on California Bearing Ratio Values using Geofabrics

India has one in every of the biggest road networks within the world, aggregating to concerning thirty three large integer metric linear unit at the present. But several of the prevailing roads have become structurally inadequate attributable to the zoom in traffic volume and shaft loading. At locations with adequate sub-grade bearing capacity/CBR price, a layer of appropriate granular material will improve the bearing capability to hold the expected traffic load. However at sites with cosmic microwave background radiation lower than 2 hundredth issues of shear failure and excessive rutting area unit usually encountered. The bottom improvement alternatives love excavation and replacement of unsuitable material, deep compaction, chemical stabilization, pre loading and compound geosynthetics etc area unit usually used at such sites. The value of those processes similarly as virgin material concerned is sometimes high and in and of itself they're nonetheless to be ordinarily utilized in developing nations like India. During this context natural fibre merchandise hold promise for rural construction over soft clay. India is that the 1st largest country, manufacturing fibre fiber from the husk of coconut fruit. The fibre fiber (50 to one hundred fifty millimeter long and zero.2 to 0.6 millimeter diameter) until recently were spun into fibre yarn then woven to get woven nettings. The fibers area unit currently a day’s being needle punched or adhesive guaranteed to get non-woven merchandise or blankets. Geotextiles area unit proving to be price effective different to ancient construction methodology. In sealed and caliche-topped construction, geosynthetic reinforcement has been applied to enhance their overall strength and repair life. The stabilization of pavements on soft ground with geotextiles is primarily attributed to the essential functions of separation of base course layer from sub-grade soil, reinforcement of composite system etc. however these artificial merchandise area unit perishable and cause setting issues, whereas natural geotextile like fibre is perishable. The report presents the results of cosmic microwave background radiation and plate load check carried in an exceedingly model check tank simulating rural roads with fibre geotextiles. The results of the check within the laboratory and also the construction of road stretches at three locations, with every 100m length area unit encouraging to be used in developing countries (like India) in rural roads that area unit nonetheless to be developed to attach as several as zero.2 million villages as most of those roads happen to air soft clay.