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Design of Flexible Pavement With Geosynthetic Reinforcement
Abstract Problematic soils are of many types in which expansive clay covers vast area of our country. These types of soils are having the characteristics of low CBR value and low shear strength which leads to many problems both in super structures and sub structures. In this paper, we have mainly concentrated on pavement construction on such type of poor soils. Two types of Geosynthetic reinforcement namely, non-woven Geotextile and Geogrid has been adopted to improve the soil CBR value. The reinforcements are placed at single and multiple (2 and 3) layers from the top surface of the sample where the load is applied. This helps in determining the optimum layer combination that gives the most effective result. From the results, the rate of increase the CBR value for double layer combination is more than the triple layer and also the layers which are close to the top surface takes more load than the layers placed at deeper depth. The CBR value of soil with Geogrid is more compared to the geotextile. For the best combination adopted pavement design, quantity estimation and cost analysis has been determined for both reinforced and unreinforced soil. Using the Geosynthetic reinforcement in soil, increases the CBR value which in turn reduces the pavement thickness leading to cost benefits in the Design of Pavements.
Design of Flexible Pavement With Geosynthetic Reinforcement
Abstract Problematic soils are of many types in which expansive clay covers vast area of our country. These types of soils are having the characteristics of low CBR value and low shear strength which leads to many problems both in super structures and sub structures. In this paper, we have mainly concentrated on pavement construction on such type of poor soils. Two types of Geosynthetic reinforcement namely, non-woven Geotextile and Geogrid has been adopted to improve the soil CBR value. The reinforcements are placed at single and multiple (2 and 3) layers from the top surface of the sample where the load is applied. This helps in determining the optimum layer combination that gives the most effective result. From the results, the rate of increase the CBR value for double layer combination is more than the triple layer and also the layers which are close to the top surface takes more load than the layers placed at deeper depth. The CBR value of soil with Geogrid is more compared to the geotextile. For the best combination adopted pavement design, quantity estimation and cost analysis has been determined for both reinforced and unreinforced soil. Using the Geosynthetic reinforcement in soil, increases the CBR value which in turn reduces the pavement thickness leading to cost benefits in the Design of Pavements.
Design of Flexible Pavement With Geosynthetic Reinforcement
Solanki, Namrata Singh (author) / Pabbisetty, Deepak (author) / Majety, Rupesh (author) / Ravichandran, P. T. (author) / Priyanga, G. (author)
2018-09-09
7 pages
Article/Chapter (Book)
Electronic Resource
English
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