Abstract: This paper presents a theoretical model and new idea for designing granular fill oil-tanks foundation. The finite difference method was used to analyze the influence of the oil-tanks radius, the modulus, and thickness of the granular fill on the maximum and differential settlement of a granular fill foundation of oil-tanks. Comparison of the modelled results with those of traditional method and observation showed that the new method could be used efficiently in practice.

Key words: circular load, granular fill, shear layer, maximum settlement, differential settlement

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