Abstract
In today’s constructions, soil weakness in shear and tension is important. Geogrid is a common solution for improving bearing capacity for soil reinforcement with geotechnical problems. In this paper, a numerical study, using the finite element method, the circular footing resting on soil reinforced with geogrid sheets is modeled, and the effect of geogrid layers on soil bearing capacity is investigated. This study tries to find optimal values of geometric parameters, including geogrid length, the number of geogrid layers, the geogrids layer spacing, the distance of geogrid reinforcements from the footing, and buried depth of the footing on the bearing capacity improvement of the reinforced soil with geogrid. Likewise, the optimum values for geometric parameters of geogrid layers have been achieved in terms of bearing capacity and ease of execution. The simulation results reveal that the optimum value for geometric parameters of geogrid can improve the bearing capacity ratio (BCR) up to 50%.
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Abdolhosseinzadeh, A., Samui, P., Samaei, M. et al. Numerical analysis of bearing capacity of circular footing reinforced with geogrid layers. Arab J Geosci 15, 750 (2022). https://doi.org/10.1007/s12517-022-10030-8
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DOI: https://doi.org/10.1007/s12517-022-10030-8