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Abstract
Geobags have been used as coastal erosion control and flood preventing measures during the last decades. More recently engineers have used geobags to improve the bearing capacity of soft soils. In this paper, a study was performed to investigate the behavior of geobags under compression loadings utilizing a finite element computer software. The numerical modeling was verified by simulating reported laboratory compression test results. The effects of various parameters such as geobag's dimensions, mechanical characteristics of filling soil and bag material properties on the ultimate bearing capacity of geobags were investigated. It was shown that increasing the friction angle of filling soil and the tensile strength of textile lead to an increase in the geobag ultimate compressive load capacity. On the other hand, an increase in dilation angle of filling soil, Poisson's ratio and the height of geobag lead to a decrease in the ultimate compressive load capacity of geobags.
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