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International Symposium on Design and Practice of Geosynthetic-Reinforced Soil Structures and Joint Sessions with 26th Italian National Conference on Geosynthetics, Bologna, Italy, 14 - 16 October 2013, pp.73-82, (Full Text)
In this study, an experimental investigation into the ultimate bearing capacity and settlement behavior of multi-edge shallow footings supported by a sand bed with and without geogrid reinforcement is reported. The parameters investigated are the depth of reinforcement and the multi-edge footing size. A total of 36 model tests have been carried out using four different footing shapes. H, +, T and square shaped shallow footings are used in the model tests. The results of the experimental study proved that the reinforcement has a considerable effect on the ultimate bearing capacity of the multi-edge shallow footings. It was also proved that ultimate bearing capacity values can, depending on the reinforcement geogrid arrangement, be improved by up to three and a half times that of the unreinforced case.