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Numerical Analyses of Geogrid Reinforcement of Flexible Pavements
Finite element analyses were conducted on pavement sections to assess the benefits of reinforcing the base course layer with geogrids, and to evaluate the effects of subgrade strength, thickness of the base course layer, and geogrid stiffness on these benefits. The benefits were defined in terms of the surface permanent deformation. The results showed that the benefits found in pavement sections on weak subgrades were always superior to those found in pavement sections on stiff subgrades. In addition, the benefits of the inclusion of one geosynthetic layer at the optimum location were reduced as the thickness of the base course layer increased; while they were enhanced with increasing the stiffness of the geosynthetic material.
Numerical Analyses of Geogrid Reinforcement of Flexible Pavements
Finite element analyses were conducted on pavement sections to assess the benefits of reinforcing the base course layer with geogrids, and to evaluate the effects of subgrade strength, thickness of the base course layer, and geogrid stiffness on these benefits. The benefits were defined in terms of the surface permanent deformation. The results showed that the benefits found in pavement sections on weak subgrades were always superior to those found in pavement sections on stiff subgrades. In addition, the benefits of the inclusion of one geosynthetic layer at the optimum location were reduced as the thickness of the base course layer increased; while they were enhanced with increasing the stiffness of the geosynthetic material.
Numerical Analyses of Geogrid Reinforcement of Flexible Pavements
Nazzal, M. D. (author) / Abu-Farsakh, M. Y. (author) / Mohammad, L. N. (author)
GeoCongress 2006 ; 2006 ; Atlanta, Georgia, United States
GeoCongress 2006 ; 1-6
2006-02-21
Conference paper
Electronic Resource
English
Numerical Analyses of Geogrid Reinforcement of Flexible Pavements
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