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Within the project „Belgrade Waterfront”, regulation of the Sava River was predicted, which included the construction of a new bank revetment in a length of about 1800 m. In order to determine the existing situation and to make geotechnical maps for the new bank revetment, geotechnical investigations were performed during 2015. The paper presents the results of these investigations and the defining method of geotechnical models used for the stability analysis of the revetment depending on the extreme hydrological conditions. According to these models, seepage and geostatic calculations were performed, with the aim of illustrating the influence of the Sava River water level oscillations on the groundwater level. As a characteristic case, a 60‐day flood wave was taken into account, which occurred in May and June of 2014. In order to simulate critical conditions during the duration of the flood wave, a further decline in the water level was assumed for another 12 days. Based on the performed geotechnical analysis, the stability of the revetment has been proved.

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