Abstract
AbstractIn this study, three-layered soil slopes consisting of two c-ɸ soils at top and bottom and one sandy soil at middle reinforced with geogrid and geotextile are evaluated under dynamic loading condition experimentally by shake table test and numerically by Plaxis 2D software to assess different soil stability parameters like maximum horizontal deformation, maximum RMSA amplification and crest deformation. Base-shaking acceleration, frequency and quantity of reinforcement are varied in different tests and results obtained from experimental study are compared with the results of numerical analysis. Test results revealed that the inclusion of reinforcement in layered soil reduces all the above parameters but more effective in the reduction of maximum RMSA amplification and crest deformation. With the increase in quantity reinforcement, reduction of RMSA amplification is more in comparison to other parameters. Geogrid reinforcement is slightly better in reducing soil stability parameters.KeywordsShake tableRMSA amplification factorPLAXIS 2D
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