• Shubhanshu Gupta
• DEVESH JAYSAWAL

Highways, expressways and different urban and rural roads in India have the most usual problem of formation of localized depression, settlement, potholes, ruts, cracks and settlement due to unexpected non uniform settlement of soil especially during rainy season. They are formed or occurred due to poor or insufficient bearing capacity of the subgrade in saturated condition. The subgrade soil mostly capitulate lower CBR value which ranges from 2-5%. Using CBR method of pavement design the whole thickness of pavement will increase exponentially with a decrease inside the CBR fee of subgrade soil which successively increases the fee of construction. So, it's been attempted to apply the geosynthetics cloth for growing the bearing ability of the subgrade. Laboratory and simulated field CBR tests are performed on soil samples with and without the inclusion of geosynthetics layer and additionally via varying the location of it inside the mildew. Use of geosynthetics raises the CBR value of the subgrade and thereby reduces the pavement thickness. The purpose for the use of those geosynthetics that they may be exceptionally resistant to biological action and wear and tear due to natural factors. They are durable and after studying literature review from previous researches, so further working ahead to open new opportunities in this field of civil engineering. This study will have a positive impact on cost as it will reduce the Project maintenance cost of the road. This study will discuss in detail the procedure and its successful applications.

Geogrids, CBR Value, Flexible Pavement, Sub grade

"Improvement in subgrade soil of flexible pavement using Geosynthetics ", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.9, Issue 5, page no.e633-e636, May-2022, Available :http://www.jetir.org/papers/JETIR2205577.pdf

"Improvement in subgrade soil of flexible pavement using Geosynthetics ", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.9, Issue 5, page no. ppe633-e636, May-2022, Available at : http://www.jetir.org/papers/JETIR2205577.pdf