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A platform for research: civil engineering, architecture and urbanism
Design and Performance of Highway Pavement Reinforced with Geosynthetic
Soft soil particularly clayey soil has a very low value of California bearing ratio (CBR). As the CBR value is low the thickness of the granular layer is more, which is resulting in the higher cost of pavement. To overcome this issue, geosynthetics (geogrids) are mainly used in the granular layer of pavement as reinforcement. For cost-effectiveness and durability of pavement, geosynthetics are used from the last 2–3 decades but still, there is no proper design philosophy available for use of geogrid in the flexible pavement. To quantify the benefits of geogrid reinforcement, field studies were conducted on the geogrid reinforced test section constructed on Mandvi-Serulla state highway by using falling weight deflectometer (FWD). Results of FWD data confirmed that the modulus value of geogrid reinforced layer is increased by 1.40 times than that of the unreinforced granular layer. A finite element model was also developed in PLAXIS 2D to justify the benefits of geogrid reinforcement against fatigue and rutting failure.
Design and Performance of Highway Pavement Reinforced with Geosynthetic
Soft soil particularly clayey soil has a very low value of California bearing ratio (CBR). As the CBR value is low the thickness of the granular layer is more, which is resulting in the higher cost of pavement. To overcome this issue, geosynthetics (geogrids) are mainly used in the granular layer of pavement as reinforcement. For cost-effectiveness and durability of pavement, geosynthetics are used from the last 2–3 decades but still, there is no proper design philosophy available for use of geogrid in the flexible pavement. To quantify the benefits of geogrid reinforcement, field studies were conducted on the geogrid reinforced test section constructed on Mandvi-Serulla state highway by using falling weight deflectometer (FWD). Results of FWD data confirmed that the modulus value of geogrid reinforced layer is increased by 1.40 times than that of the unreinforced granular layer. A finite element model was also developed in PLAXIS 2D to justify the benefits of geogrid reinforcement against fatigue and rutting failure.
Design and Performance of Highway Pavement Reinforced with Geosynthetic
Lecture Notes in Civil Engineering
Patel, Satyajit (editor) / Solanki, C. H. (editor) / Reddy, Krishna R. (editor) / Shukla, Sanjay Kumar (editor) / Chaudhary, P. M. (author) / Chaudhary, P. B. (author) / Desai, B. H. (author) / Deshmukh, Rohan (author)
2021-04-23
13 pages
Article/Chapter (Book)
Electronic Resource
English
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