Abstract
AbstractThe construction of road embankment on soft soil encountered with various challenges in practice, such as bearing failure, slope instability, local failure, differential settlement and lateral movements. Horizontal geocell mattresses have been progressively applied as a reinforced material of road embankment on problematic soil such as soft soil. The main objective of this study is to determine the performance of geocell of different aperture size as reinforcing material in road embankment considering load versus settlement behavior. The stability analysis of road embankment has been evaluated by using finite element software PLAXIS 3D. In this study, two-basic modeling was analyzed. First, the performance of road embankment was analyzed without any reinforcing material. Second model of embankment was analyzed by using geocell of different height to width ratio (i.e., 0.8, 1, 1.2, 1.4 and 1.6) as reinforcement. The small settlement and deflected shape of geocell mattress acted as a raft foundation for the road embankment. The result of this study indicated that the stability of embankment was highly influenced by tensile strength of geocell.KeywordsSoft soilGeocellEmbankmentReinforcementPLAXIS 3D
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